000 00321nam a2200133Ia 4500
008 241124s9999 xx 000 0 und d
100 _aMani, Roja
245 0 _aPrinciples Of Communication Engineering
250 _a4
260 _bNandu Printers and Publishers Pvt Ltd
260 _c2002
300 _a272
942 _cBK
999 _c3515
_d3515