000 00296nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.382
100 _aJohn G Proakis
245 0 _aCommunication Systems Engineering
250 _a2
260 _bPhi Learning, New Delhi
_c2011
942 _cBK
999 _c21535
_d21535