00349nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001300084245006400097260002500161300000800186650002100194221030s9999    xx            000 0 und d  a8120308344  aEnglish  a105.23bGow  aJ. Gowar 0aOptical Communication Systems ( DEPARTMENTAL )cby J. Gowar  bPHIaNew Delhic1999  a696  aECE Departmental