00315nam a2200133Ia 4500008004100000020001500041041001200056082001100068100001300079245003800092260003100130300000800161650001200169221030s9999 xx 000 0 und d a9380097268 aEnglish a105.23 aH. Kumar 0aApplied Physics - IIcby H. Kumar bVayu Pub.aNew Delhic2009 a313 aPhysics