00387nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001100084245006500095260004800160300000800208650000800216700001700224221030s9999    xx            000 0 und d  a0852261500  aEnglish  a105.23bDas  aJ. Das 0aPrinciples of Digital Communciationcby J. Das, S.K. Mullick  bNew Age International Pub.aNew Delhic2001  a645  aECE  aS.K. Mullick