00267nam a2200109Ia 4500008004100000041000800041082002000049100001300069245003200082260003500114300000800149211209s1979    xx            000 0 und d  aeng  a530 N79 SHA/RAO  aSHAH G Z  aTEXT BOOK OF B. SC PHYSICS   bS CHAND AND COMPANY LTD.c1979  a564