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999 _c32858
_d32858
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020 _a8121904765
041 _aEN
082 _a621.382
_bSIN
_223
100 _aSingh, Anokh.
100 _aChhabra, A.K.
245 _aPrinciples of communication engineering
_c/by Anokh Singh, A.K. Chhabra
260 _aNew Delhi
_bS.Chand
_c2010
300 _aix, 662 p.
509 _aNS
650 _aCommunication engineering
942 _cR