Engineering Acoustics.

Acoustic Guitar Design by: (Language materials, printed)

Influencing Factors in Speech Quality Assessment using Crowdsourcing by: (Language materials, printed)

Environmental Noise Control = The Indian Perspective in an International Context / by: (Language materials, printed)

Acoustics and Vibration of Mechanical Structures – AVMS-2021 = Proceedings of the 16th AVMS, Timişoara, Romania, May 28-29, 2021 / by: (Language materials, printed)

Adaptive Compensation of Nonlinear Actuators for Flight Control Applications by: (Language materials, printed)

Electronics for Guitarists by: (Language materials, printed)

Acoustic Emission Testing = Basics for Research – Applications in Engineering / by: (Language materials, printed)

Fundamental Studies of Shock-Driven Hydrodynamic Instabilities by: (Language materials, printed)

Untersuchung der tonalen Schallentstehung an einem Kfz-Kühlerlüfter in Einbausituation by: (Language materials, printed)

Now Hear This = A Book About Sound / by: (Language materials, printed)

Nonlinear Acoustical Imaging by: (Language materials, printed)

Acoustics for Engineers = Troy Lectures / by: (Language materials, printed)

Acoustic Waves in Periodic Structures, Metamaterials, and Porous Media = From Fundamentals to Industrial Applications / by: (Language materials, printed)

Autonomous Underwater Vehicles = Localization, Tracking, and Formation / by: (Language materials, printed)

Human Information Processing in Speech Quality Assessment by: (Language materials, printed)

Dimension-Based Quality Analysis and Prediction for Videotelephony by: (Language materials, printed)

Rock and Pop Venues = Acoustic and Architectural Design / by: (Language materials, printed)

Advances in Acoustic Emission Technology = Proceedings of the World Conference on Acoustic Emission—2019 / by: (Language materials, printed)

The Art and Science of Surround and Stereo Recording = Including 3D Audio Techniques / by: (Language materials, printed)

Filter Banks and Audio Coding = Compressing Audio Signals Using Python / by: (Language materials, printed)

Advances in Mechanical Engineering = Select Proceedings of ICRIDME 2018 / by: (Language materials, printed)

Taschenbuch der Technischen Akustik by: (Language materials, printed)

Acoustic And Non-Acoustic Performance Coal Bottom Ash Concrete by: (Language materials, printed)

Computational Aerodynamics and Aeroacoustics by: (Language materials, printed)

Analytic Solutions for Flows Through Cascades by: (Language materials, printed)

Auralization = Fundamentals of Acoustics, Modelling, Simulation, Algorithms and Acoustic Virtual Reality / by: (Language materials, printed)

Ingenieurakustik = Physikalische Grundlagen, Anwendungsbeispiele und Übungen / by: (Language materials, printed)

A Guide To U.S. Aircraft Noise Regulatory Policy by: (Language materials, printed)

Sequential Decision-Making in Musical Intelligence by: (Language materials, printed)

Robotic Musicianship = Embodied Artificial Creativity and Mechatronic Musical Expression / by: (Language materials, printed)

Signal Processing and Image Processing for Acoustical Imaging by: (Language materials, printed)

Lärm im Krankenhaus-OP = Performancesteigerung und Fehlervermeidung durch optimierte Akustik / by: (Language materials, printed)

Handbook of Ultrasonics and Sonochemistry by: (Language materials, printed)

The Technology of Binaural Understanding by: (Language materials, printed)

Understanding Acoustics = An Experimentalist’s View of Sound and Vibration / by: (Language materials, printed)

Psychoacoustic Music Sound Field Synthesis = Creating Spaciousness for Composition, Performance, Acoustics and Perception / by: (Language materials, printed)

Modalanalyse by: (Language materials, printed)

Key Technologies of Intelligentized Welding Manufacturing = Welding Arc Acoustic Sensing and Monitoring Technology / by: (Language materials, printed)

Physical Approach to Engineering Acoustics by: (Language materials, printed)

Advances in Rotor Dynamics, Control, and Structural Health Monitoring = Select Proceedings of ICOVP 2017 / by: (Language materials, printed)

Concert Halls by Nagata Acoustics = Thirty Years of Acoustical Design for Music Venues and Vineyard-Style Auditoria / by: (Language materials, printed)

Adaptive-Robust Control with Limited Knowledge on Systems Dynamics = An Artificial Input Delay Approach and Beyond / by: (Language materials, printed)

Laser Doppler Vibrometry = A Multimedia Guide to its Features and Usage / by: (Language materials, printed)

Borehole Acoustic Logging – Theory and Methods by: (Language materials, printed)

Progress in Hybrid RANS-LES modelling = Papers Contributed to the 5th Symposium on Hybrid RANS-LES Methods, 19-21 March 2014, College Station, A&M University, Texas, USA / by: (Language materials, printed)

Fundamentals of spherical array processing by: (Language materials, printed)

Opera house acoustics based on subjective preference theory by: (Language materials, printed)

Sensors, instrumentation and special topics. = proceedings of the 29th IMAC, a conference on structural dynamics, 2011 /. Volume 6 by: (Language materials, printed)

Ocean ambient noise = measurement and theory / by: (Language materials, printed)

Sound and signals by: (Language materials, printed)

Computational ocean acoustics by: (Language materials, printed)

Acoustics for engineers = Troy lectures / by: (Language materials, printed)

Acoustics and the performance of music = manual for acousticians, audio engineers, musicians, architects and musical instruments makers / by: (Language materials, printed)

Treatise on acoustics = the first comprehensive English translation of E.F.F. Chladni's Traite d'Acoustique / by: (Language materials, printed)

Estimating spoken dialog system quality with user models by: (Language materials, printed)

Sound & vibration 2.0 = design guidelines for health care facilities (2010) / by: (Language materials, printed)

Study and design of differential microphone arrays by: (Language materials, printed)

Aerodynamic noise = an introduction for physicists and engineers / by: (Language materials, printed)

Acoustic metamaterials = negative refraction, imaging, lensing and cloaking / by: (Language materials, printed)

Room acoustical fields by: (Language materials, printed)

Applied acoustics = concepts, absorbers, and silencers for acoustical comfort and noise control: Alternative solutions - Innovative tools - Practical examples / by: (Language materials, printed)

Aero and vibroacoustics of automotive turbochargers by: (Language materials, printed)

Nonlinearities and synchronization in musical acoustics and music psychology by: (Language materials, printed)

Acoustic metamaterials and phononic crystals by: (Language materials, printed)

Intelligent audio analysis by: (Language materials, printed)

Sound - Perception - Performance by: (Language materials, printed)

The technology of binaural listening by: (Language materials, printed)

Principles of musical acoustics by: (Language materials, printed)

How to gain gain = a reference book on triodes in audio pre-amps / by: (Language materials, printed)

Speech enhancement in the STFT domain by: (Language materials, printed)

The physics of music and color by: (Language materials, printed)

Adaptive feed-forward control of low frequency interior noise by: (Language materials, printed)

Ultrasonic coal-wash for de-ashing and de-sulfurization = experimental investigation and mechanistic modeling : doctoral thesis accepted by Indian Institute of Technology Madras, Chennai, India / by: (Language materials, printed)

Underwater acoustic networking techniques by: (Language materials, printed)

Analytic methods of sound field synthesis by: (Language materials, printed)

Acoustical imaging.. Volume 31 by: (Language materials, printed)

Piezo-electric electro-acoustic transducers by: (Language materials, printed)

Acoustics, information, and communication = memorial volume in honor of Manfred R. Schroeder / by: (Language materials, printed)

Vibration engineering and technology of machinery = proceedings of VETOMAC X 2014, held at the University of Manchester, UK, September 9-11, 2014 / by: (Language materials, printed)

Rooms for the Learned Musician = A 20-Year Retrospective on the Acoustics of Music Education Facilities / by: (Language materials, printed)

Building Physics = From physical principles to international standards / by: (Language materials, printed)

Multiscale Mechanics of Shock Wave Processes by: (Language materials, printed)

Modern Requirements for Noise Immunity Aircraft Navigation Equipment by: (Language materials, printed)

The Underwater World for Digital Data Transmission by: (Language materials, printed)

Fluid-Structure-Sound Interactions and Control = Proceedings of the 5th Symposium on Fluid-Structure-Sound Interactions and Control / by: (Language materials, printed)

Acoustic Analysis and Design of Short Elliptical End-Chamber Mufflers by: (Language materials, printed)

Time Reversal Acoustics by: (Language materials, printed)

Vibration Engineering for a Sustainable Future = Numerical and Analytical Methods to Study Dynamical Systems, Vol. 3 / by: (Language materials, printed)

Theory and Application of Acoustic Sources Using Complex Analysis = Complex Acoustic Sources, Green’s Functions and Half-Space Problems, Acoustic Radiation and Scattering Using Equivalent Source and Boundary Element Methods / by: (Language materials, printed)

Proceedings of the 8th Conference on Sound and Music Technology = Selected Papers from CSMT / by: (Language materials, printed)

Case Studies of Building Rehabilitation and Design by: (Language materials, printed)

Building Pathologies and Acoustic Performance by: (Language materials, printed)

Vibration Engineering for a Sustainable Future = Experiments, Materials and Signal Processing, Vol. 2 / by: (Language materials, printed)

The Science of Brass Instruments by: (Language materials, printed)

Proceedings of the Worldwide Music Conference 2021 = Volume 1 / by: (Language materials, printed)

Noise Resistance Enhancement in Aircraft Navigation and Connected Systems by: (Language materials, printed)

Vibration Engineering for a Sustainable Future = Active and Passive Noise and Vibration Control, Vol. 1 / by: (Language materials, printed)

Audio Technology, Music, and Media = From Sound Wave to Reproduction / by: (Language materials, printed)

How Music Works = A Physical Culture Theory / by: (Language materials, printed)

Advances in Structural Vibration = Select Proceedings of ICOVP 2017 / by: (Language materials, printed)

Recent Developments in Acoustics = Select Proceedings of the 46th National Symposium on Acoustics / by: (Language materials, printed)

Acoustics and Vibration of Mechanical Structures—AVMS 2019 = Proceedings of the 15th AVMS, Timisoara, Romania, May 30–31, 2019 / by: (Language materials, printed)

The Helmholtz equation least squares method = for reconstructing and predicting acoustic radiation / by: (Language materials, printed)

Advances in acoustic emission technology = proceedings of the World Conference on Acoustic Emission-2013 / by: (Language materials, printed)

Automatic speech recognition = a deep learning approach / by: (Language materials, printed)

Flinovia = flow induced noise and vibration issues and aspects : a focus on measurement, modeling, simulation and reproduction of the flow excitation and flow induced response / by: (Language materials, printed)

Noise and vibration mitigation for rail transportation systems = proceedings of the 11th International Workshop on Railway Noise, Uddevalla, Sweden, 9-13 September 2013 / by: (Language materials, printed)

Audiovisual quality assessment and prediction for videotelephony by: (Language materials, printed)

Waveform analysis of sound by: (Language materials, printed)

Balanced phono-amps = an extension to the 'The sound of silence' editions / by: (Language materials, printed)

Real-time speech and music classification by large audio feature space extraction by: (Language materials, printed)

Worship space acoustics = 3 decades of design / by: (Language materials, printed)

Practical acoustic emission testing by: (Language materials, printed)

Brain-grounded theory of temporal and spatial design = in architecture and the environment / by: (Language materials, printed)

Electromagnetic ultrasonic guided waves by: (Language materials, printed)

Topics in modal analysis & testing. = proceedings of the 34th IMAC, a Conference and Exposition on Structural Dynamics 2016 /. Volume 10 by: (Language materials, printed)

Simulation of the noise transmission through automotive door seals by: (Language materials, printed)

In situ monitoring of fiber-reinforced composites = theory, basic concepts, methods, and applications / by: (Language materials, printed)

Cooperative OFDM underwater acoustic communications by: (Language materials, printed)

Handbook of ultrasonics and sonochemistry by: (Language materials, printed)

Manipulation of sound properties by acoustic metasurface and metastructure by: (Language materials, printed)

Transducers and arrays for underwater sound by: (Language materials, printed)

Underwater acoustics and ocean dynamics = proceedings of the 4th Pacific Rim Underwater Acoustics Conference / by: (Language materials, printed)

7th International Symposium on High-Temperature Metallurgical Processing = proceedings of a symposium sponsored by the Pyrometallurgy Committee of the Extraction and Processing Division (EPD) of the Minerals, Metals & Materials Society (TMS) held during TMS 2016 145th Annual Meeting & Exhibition, Downtown Nashville, Tennessee, Music City Center / by: (Language materials, printed)

6th International Symposium on High-Temperature Metallurgical Processing = proceedings of a symposium sponsored by the Minerals, Metals & Materials Society (TMS) held during TMS 2015, 144th Annual Meeting & Exhibition, March 15-19, 2015, Walt Disney World, Orlando, Florida, USA / by: (Language materials, printed)

Shock & vibration, aircraft/aerospace, energy harvesting, acoustics & optics. = proceedings of the 35th IMAC, a Conference and Exposition on Structural Dynamics 2017 /. Volume 9 by: (Language materials, printed)

Sensors and instrumentation. = proceedings of the 35th IMAC, a Conference and Exposition on Structural Dynamics 2017 /. Volume 5 by: (Language materials, printed)

Digital signal processing in power electronics control circuits by: (Language materials, printed)

Building physics = from physical principles to international standards / by: (Language materials, printed)

Advances in acoustic emission technology = proceedings of the World Conference on Acoustic Emission-2015 / by: (Language materials, printed)

Software-based acoustical measurements by: (Language materials, printed)

Thermoacoustics = a unifying perspective for some engines and refrigerators / by: (Language materials, printed)

Model validation and uncertainty quantification. = proceedings of the 35th IMAC, a Conference and Exposition on Structural Dynamics 2017 /. Volume 3 by: (Language materials, printed)

Sound topology, duality, coherence and wave-mixing = an introduction to the emerging new science of sound / by: (Language materials, printed)

Audio source separation by: (Language materials, printed)

Springer handbook of systematic musicology by: (Language materials, printed)

Frontiers of sound in design = a guide for the development of product identity through sounds / by: (Language materials, printed)

Rail crack monitoring using acoustic emission technique by: (Language materials, printed)

The science of musical sound.. Volume 1,. Stringed instruments, pipe organs, and the human voice by: (Language materials, printed)

Principles of forensic audio analysis by: (Language materials, printed)

Hyper-specializing in saxophone using acoustical insight and deep listening skills by: (Language materials, printed)

Ambisonics = a practical 3D audio theory for recording, studio production, sound reinforcement, and virtual reality / by: (Language materials, printed)

Waves with Power-Law Attenuation by: (Language materials, printed)

Broadband array processing by: (Language materials, printed)

Advances in acoustic emission technology = proceedings of the World Conference on Acoustic Emission-2017 / by: (Language materials, printed)

Acoustics = an introduction to its physical principles and applications / by: (Language materials, printed)

Gauge invariance approach to acoustic fields by: (Language materials, printed)

Theory and applications of spherical microphone array processing by: (Language materials, printed)

Advances in acoustics and vibration = proceedings of the International Conference on Acoustics and Vibration (ICAV2016), March 21-23, Hammamet, Tunisia / by: (Language materials, printed)

Electromagnetic acoustic transducers = noncontacting ultrasonic measurements using EMATs / by: (Language materials, printed)

Studies in musical acoustics and psychoacoustics by: (Language materials, printed)

Musical instruments in the 21st century = identities, configurations, practices / by: (Language materials, printed)

Acoustic emission = methodology and application / by: (Language materials, printed)

Development of an ultrasonic sensing technique to measure lubricant viscosity in engine journal bearing in-situ by: (Language materials, printed)

Understanding acoustics = an experimentalist's view of acoustics and vibration / by: (Language materials, printed)

Vibration Engineering and Technology of Machinery = Proceedings of VETOMAC X 2014, held at the University of Manchester, UK, September 9-11, 2014 / by: (Language materials, printed)

Automatic Speech Recognition = A Deep Learning Approach / by: (Language materials, printed)

Advances in Acoustic Emission Technology = Proceedings of the World Conference on Acoustic Emission–2013 / by: (Language materials, printed)

Noise and Vibration Mitigation for Rail Transportation Systems = Proceedings of the 11th International Workshop on Railway Noise, Uddevalla, Sweden, 9–13 September 2013 / by: (Language materials, printed)

Acoustics, Information, and Communication = Memorial Volume in Honor of Manfred R. Schroeder / by: (Language materials, printed)

Flinovia - Flow Induced Noise and Vibration Issues and Aspects = A Focus on Measurement, Modeling, Simulation and Reproduction of the Flow Excitation and Flow Induced Response / by: (Language materials, printed)

Progress in Hybrid RANS-LES Modelling = Papers Contributed to the 5th Symposium on Hybrid RANS-LES Methods, 19-21 March 2014, College Station, A&M University, Texas, USA / by: (Language materials, printed)

Sensors and Instrumentation, Volume 5 = Proceedings of the 33rd IMAC, A Conference and Exposition on Structural Dynamics, 2015 / by: (Language materials, printed)

Asymptotic Approximations for the Sound Generated by Aerofoils in Unsteady Subsonic Flows by: (Language materials, printed)

The Helmholtz Equation Least Squares Method = For Reconstructing and Predicting Acoustic Radiation / by: (Language materials, printed)

Opera House Acoustics Based on Subjective Preference Theory by: (Language materials, printed)

Neurally Based Measurement and Evaluation of Environmental Noise by: (Language materials, printed)

Waveform Analysis of Sound by: (Language materials, printed)

Battlefield Acoustics by: (Language materials, printed)

Technische Akustik by: (Language materials, printed)

Model-Based Processing for Underwater Acoustic Arrays by: (Language materials, printed)

Treatise on Acoustics = The First Comprehensive English Translation of E.F.F. Chladni's Traité d’Acoustique / by: (Language materials, printed)

Audiovisual Quality Assessment and Prediction for Videotelephony by: (Language materials, printed)

Fundamentals of Spherical Array Processing by: (Language materials, printed)

Electromagnetic Ultrasonic Guided Waves by: (Language materials, printed)

In Situ Monitoring of Fiber-Reinforced Composites = Theory, Basic Concepts, Methods, and Applications / by: (Language materials, printed)

6th International Symposium on High-Temperature Metallurgical Processing by: (Language materials, printed)

Transducers and Arrays for Underwater Sound by: (Language materials, printed)

Manipulation of Sound Properties by Acoustic Metasurface and Metastructure by: (Language materials, printed)

Cooperative OFDM Underwater Acoustic Communications by: (Language materials, printed)

Topics in Modal Analysis & Testing, Volume 10 = Proceedings of the 34th IMAC, A Conference and Exposition on Structural Dynamics 2016 / by: (Language materials, printed)

Untersuchungen des Schwingungs- und Geräuschverhaltens des Kurbeltriebs eines Verbrennungsmotors by: (Language materials, printed)

7th International Symposium on High-Temperature Metallurgical Processing by: (Language materials, printed)

Balanced Phono-Amps = An Extension to the 'The Sound of Silence' Editions / by: (Language materials, printed)

Practical Acoustic Emission Testing by: (Language materials, printed)

Simulation of the Noise Transmission through Automotive Door Seals by: (Language materials, printed)

Worship Space Acoustics = 3 Decades of Design / by: (Language materials, printed)

Brain-Grounded Theory of Temporal and Spatial Design = In Architecture and the Environment / by: (Language materials, printed)

Handbook of Ultrasonics and Sonochemistry by: (Language materials, printed)

Acoustics of Musical Instruments by: (Language materials, printed)

Real-time Speech and Music Classification by Large Audio Feature Space Extraction by: (Language materials, printed)

Underwater Acoustics and Ocean Dynamics = Proceedings of the 4th Pacific Rim Underwater Acoustics Conference / by: (Language materials, printed)

Bauakustische Messungen by: (Language materials, printed)

Einmessung und Verifizierung raumakustischer Gegebenheiten und von Beschallungsanlagen by: (Language materials, printed)

Wandler für Luftschallmessungen by: (Language materials, printed)

The Science of Musical Sound = Volume 1: Stringed Instruments, Pipe Organs, and the Human Voice / by: (Language materials, printed)

Observing the Oceans in Real Time by: (Language materials, printed)

Computational Analysis of Sound Scenes and Events by: (Language materials, printed)

Principles of Forensic Audio Analysis by: (Language materials, printed)

Messung der Schallleistung by: (Language materials, printed)

Digitale Signalverarbeitung in der Messtechnik by: (Language materials, printed)

Handbuch Fahrzeugakustik = Grundlagen, Auslegung, Berechnung, Versuch / by: (Language materials, printed)

Psychoakustische Messtechnik by: (Language materials, printed)

Körperschall-Messtechnik by: (Language materials, printed)

Schallpegelmesstechnik und ihre Anwendung by: (Language materials, printed)

Audio Source Separation by: (Language materials, printed)

Wasserschallmessungen by: (Language materials, printed)

Rail Crack Monitoring Using Acoustic Emission Technique by: (Language materials, printed)

Springer Handbook of Systematic Musicology by: (Language materials, printed)

Frontiers of Sound in Design = A Guide for the Development of Product Identity Through Sounds / by: (Language materials, printed)

Acoustics-A Textbook for Engineers and Physicists = Volume I: Fundamentals / by: (Language materials, printed)

Acoustics-A Textbook for Engineers and Physicists = Volume II: Applications / by: (Language materials, printed)

From Content-based Music Emotion Recognition to Emotion Maps of Musical Pieces by: (Language materials, printed)

New Acoustics Based on Metamaterials by: (Language materials, printed)

Acoustics and Vibration of Mechanical Structures—AVMS-2017 = Proceedings of the 14th AVMS Conference, Timisoara, Romania, May 25–26, 2017 / by: (Language materials, printed)

Sound in the Time Domain by: (Language materials, printed)

Computational Acoustics by: (Language materials, printed)

Elektroakustik = Mikrofone, Klangstufen, Verstärker, Filterschaltungen und Lautsprecher / by: (Language materials, printed)

Acoustics = An Introduction to Its Physical Principles and Applications / by: (Language materials, printed)

Advances in Acoustics and Vibration II = Proceedings of the Second International Conference on Acoustics and Vibration (ICAV2018), March 19-21, 2018, Hammamet, Tunisia / by: (Language materials, printed)

Introduction to Audio Processing by: (Language materials, printed)

Broadband Array Processing by: (Language materials, printed)

Advances in Acoustic Emission Technology = Proceedings of the World Conference on Acoustic Emission-2017 / by: (Language materials, printed)

The Physics of Music and Color = Sound and Light / by: (Language materials, printed)

Computational Phonogram Archiving by: (Language materials, printed)

Fluid-Structure-Sound Interactions and Control = Proceedings of the 4th Symposium on Fluid-Structure-Sound Interactions and Control / by: (Language materials, printed)

Underwater Acoustic Signal Processing = Modeling, Detection, and Estimation / by: (Language materials, printed)

Acoustical Analysis of the Tanpura = Indian Plucked String Instrument / by: (Language materials, printed)

Sonic Skills = Listening for Knowledge in Science, Medicine and Engineering (1920s-Present) / by: (Language materials, printed)

Fundamentals of Spherical Array Processing by: (Language materials, printed)

Nonlinear Ultrasonic and Vibro-Acoustical Techniques for Nondestructive Evaluation by: (Language materials, printed)

Hyper-specializing in Saxophone Using Acoustical Insight and Deep Listening Skills by: (Language materials, printed)

The Centre of City: Acoustic Environment and Spatial Morphology by: (Language materials, printed)

Automotive Acoustics Conference 2015 = 3. Internationale ATZ-Fachtagung / by: (Language materials, printed)

Balanced Phono-Amps = An Extension to the 'The Sound of Silence' Editions / by: (Language materials, printed)

Advanced Tire Mechanics by: (Language materials, printed)

Gauge Invariance Approach to Acoustic Fields by: (Language materials, printed)

Ambisonics = A Practical 3D Audio Theory for Recording, Studio Production, Sound Reinforcement, and Virtual Reality / by: (Language materials, printed)

Delay Controlled Partial Synchronization in Complex Networks by: (Language materials, printed)

Head-Related Transfer Function and Acoustic Virtual Reality by: (Language materials, printed)

Waves with Power-Law Attenuation by: (Language materials, printed)

Residual Stress, Thermomechanics & Infrared Imaging, Hybrid Techniques and Inverse Problems, Volume 7 = Proceedings of the 2018 Annual Conference on Experimental and Applied Mechanics / by: (Language materials, printed)

Flinovia—Flow Induced Noise and Vibration Issues and Aspects-II = A Focus on Measurement, Modeling, Simulation and Reproduction of the Flow Excitation and Flow Induced Response / by: (Language materials, printed)

Rotating Machinery, Vibro-Acoustics & Laser Vibrometry, Volume 7 = Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018 / by: (Language materials, printed)