00313nam a2200133Ia 45000030006000000080041000060400015000471000037000622450031000992500011001302600009001415460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChowdhury Ray, S.C.; Sinha, D.B.  aIntermediate physics vol I  aSecond  c1949  aEnglish20220125170102.0