000 00288nam a22001217a 4500
020 _a0074603396
082 _a621.38212
_bSIN.C
100 _aSingh, R P
245 _aCommunication systems: Analog and digital
260 _aNew Delhi
_bTMH
_c1995
700 _aShapre, S D
942 _cBK
999 _c452869
_d452869