000 00299nam a2200121Ia 4500
008 220601s2017 xx 000 0 eng d
100 _aKATRE,J.S.
245 0 _aCommunication Systems
250 _a1st Ed.
260 _c2017
_aNew Delhi
_bTECH-MAX PUBLICATIONS
300 _a552p.
942 _2ddc
_cBTECH
999 _c3442
_d3442