000 00271nam a2200109Ia 4500
008 220201s2011 xx 000 0 eng d
100 _aRao, P ramakrishna
245 0 _aAnalog communication
260 _aNew Delhi
_bTata McGrraw hill
_c2011
300 _a499
942 _2ddc
999 _c29802
_d29802