00376nam a2200133Ia 4500008004100000020001500041041001200056100001400068245008700082260003800169300000800207650001100215700001600226221030s9999    xx            000 0 und d  a8187433035  aEnglish  aA. Sharma 0aModern Electronic Communication : Principles & Practicscby A. Sharma, R. K. Sinha  bDhanpat Rai & CoaNew Delhic1999  a623  aBB ECE  aR. K. Sinha