00342nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001600084245005300100260003700153300001000190650000800200221030s9999    xx            000 0 und d  a8177000136  aEnglish  a105.23bSin  aS. N. Singh 2aA Text Book of Power Electronicscby S. N. Singh  bDhanpat Rai PubaNew Delhic2000  a10.79  aECE