00339nam a2200133Ia 4500008004100000020001500041041001200056082001100068100001400079245006100093260003500154300000800189650000800197221030s9999    xx            000 0 und d  a8188458201  aEnglish  a105.23  aS. Sharma 0aCommunication Systems ( Analog & Digital )cby S. Sharma  bS. K. KatariaaNew Delhic2009  a964  aECE