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020 _a9788178083285
040 _cDLC
041 _aEnglish
082 _a621.382
_bCOD
_220th
100 _aCouch, L. W.
_92748
245 0 _aDigital and Analog Communication Systems
250 _a6th ed.
260 _aNew Delhi
_bPearson
_c2001
300 _axxv, 758p
500 _a758
563 _aPaperback
650 _aEEE
_914583
650 _aCommunication Systems
_912502
942 _cBK
_2ddc
999 _c3101
_d3085