00350nam a2200145Ia 4500008004100000020001800041041000800059082001600067100001600083245003800099260002700137300000800164365001600172700001600188230718s9999    xx            000 0 und d  a9780071072694  aeng  a621.38bSIN  aSingal T.L.  aAnalog And Digital Communications  c2012bTata McGraw Hill  a911  cRs.b460.00  aSingal T.L.