000 00280nam a2200121Ia 4500
008 241124s9999 xx 000 0 und d
100 _aSingh, Anokh; Chabra, A.K.
245 0 _aPrinciples of communication Engineering
260 _b-
260 _c0
300 _a662
942 _cBK
999 _c6008
_d6008