Extraterrestrial beings.

Meeting the alien = an introduction to exosociology / by: (書目-語言資料,印刷品)

Searching for extraterrestrial intelligence = SETI past, present, and future / by: (書目-語言資料,印刷品)

Extraterrestrial intelligence and human imagination = SETI at the intersection of science, religion, and culture / by: (書目-語言資料,印刷品)

The hunt for alien life = a wider perspective / by: (書目-語言資料,印刷品)

What we know about extraterrestrial intelligence = foundations of xenology / by: (書目-語言資料,印刷品)

Signal, Image and Speech Processing.

Life on other planets.

Extraterrestrial Physics, Space Sciences.

Astrobiology.

Extraterrestrial beings.

Evolutionary Biology.

Astronomy, Observations and Techniques.

Sociology of Culture.

Religious Studies.

Exobiology.

Popular Science.

Sociological Theory.

Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics)

Popular Science in Astronomy.

Social Theory.

Search for Extraterrestrial Intelligence (Study group : U.S.)

Societal Aspects of Physics.

Physics.

Anthropology.

Human-alien encounters.