000 00565nam a22002057a 4500
999 _c176114
_d176113
005 20230804154609.0
008 230627b ||||| |||| 00| 0 eng d
020 _a0029465524
041 _aEN
082 _223
_a621.382
_bSCH
100 _aSchoenbeck, Robert J.
245 _aElectronic communications:
_bModulation and transmission
_c/ Robert J. Schoenbeck
250 _a2nd ed.
260 _aNew York:
_bMacmillan,
_c1992
300 _axxiv, 645 p.
509 _aNS
650 0 _9103254
_aTelecommunication
650 0 _9149774
_aModulations
942 _cS