00293nam a2200121Ia 45000030006000000080041000060400015000471000038000622450033001002600009001335460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aIttyavirah Joseph; Chakkunny, P.V  aPre degree Practical Physics  c1987  aEnglish20220125170114.0