000 00420 a2200157 4500
020 _a8120314832
082 _a621.382
_bSCH
090 _c13115
_d19178
100 _aSchoenbeck, Robert J.
245 _aElectronic communications modulation and transmission
250 _a2nd.
260 _aNew Delhi
_bPrentice- Hall
_c1992
_g2005
300 _axxiv, 645p.
_c24cm.
650 _aCOMMUNICATIONS ENGINEERING
942 _cL
999 _c41467
_d41467