000 00559nam a2200169 4500
001 00295418
003 PWmBRO
005 20240602103526.0
008 950321s1977 nyua b 00110 eng
020 _a0471326615
100 1 0 _aGregg, William David.
245 1 0 _aAnalog and digital communication :
_bconcepts, systems, applications, and services in electrical dissimination of aural, visual and data information /
_cW. David Gregg.
260 0 _aNew York :
_bWiley,
_cc1977.
300 _axix, 603 p. :
_bill.
650 0 _aTelecommunication.
942 _2ddc
999 _c77055
_d77055