000 00307nam a2200121Ia 4500
008 150331s2013 xx 000 0 und d
100 _aRao, P.R.
245 _aCommunication Systems
250 _a1 st
260 _aNew Delhi
_bMcGraw Hill Education (India) Pvt.Ltd.
_c2013
300 _a949
942 _2ddc
_cBK
999 _c1687
_d1687