Gurrie, Michael L

Voice / Data telecoumunication systems : an introducatuion to technology by: Gurrie, Michael L; Patrick J. O' connor (書目-語言資料,印刷品) , [著]

數位\語音通信系統 by: 湯鴻沼; Gurrie, Michael L; O'Connor, Patrick J (書目-語言資料,印刷品) , [著]

Voice/Data telecommunication systems : an introduction to technology by: Gurrie, Michael L; O'connor, Patrick J (Language materials, printed) , [著]