000 00446nam a2200181Ia 4500
008 210915s9999||||xx |||||||||||||| ||und||
020 _a9780070634541
040 _aMAIN
041 _aEnglish
082 _a621.38212 SIN
100 _aSingh, R. P.
_92370
245 0 _aCommunication systems; analog and digital
250 _a2nd
260 _bTata Mcgraw hill
_aNew Delhi
_c2008
300 _a584
650 _aGeneral Books
942 _cBK
999 _c37170
_d37170