000 00438nam a2200181Ia 4500
008 200428s9999||||xx |||||||||||||| ||und||
020 _a0-07-063454-8
_c265
040 _aMAIN
041 _aEnglish
082 _a621.382
_bSIN
100 _aSingh, R.P.
245 _aCommunication systems: analog and digital
250 _a2nd ed.
260 _bTata Mc Graw Hill
_c2007
300 _axi, 584p.
650 _aELECTRONICS
942 _cGB
999 _c5313
_d5313