00373nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001600084245009800100260002500198300000800223650000800231221030s9999    xx            000 0 und d  a0074621408  aEnglish  a105.23bGup  aR. G. Gupta 0aAudio & Video Engineering Systems Principles, Maintenance and Troubleshootingcby R. G. Gupta  bTMHaNew Delhic1998  a334  aECE