00364nam a2200145Ia 4500008004100000082001300041100001600054245004400070250000800114260002900122300001000151500002400161650001600185700001700201230524s9999    xx            000 0 und d  a540bSIN  aAnokh Singh 0aPrinciples of Communication Engineering  a2ND  aNEW DELHIbS.Chandc2004  aX;662  aQuantity Number:  5  aElectronics  a A.K.Chhabra