00348nam a2200133Ia 4500008004100000041001200041082001600053100001700069245005800086260003700144300000800181650001200189700001300201221030s9999    xx            000 0 und d  aEnglish  a105.23bGup  aS. L.  Gupta 0aConcepts Of Modern Physicscby S. L.  Gupta, S. Gupta  bDhanpat Rai PubaNew Delhic2001  a628  aPhysics  aS. Gupta