00331nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001600084245004000100260003700140300000800177650001200185221030s9999    xx            000 0 und d  a0706990048  aEnglish  a105.23bGup  aH. C. Gupta 0aSolid State Physicscby H. C. Gupta  bVikas Pub HouseaNew Delhic1997  a404  aPhysics