00274nam a2200121Ia 45000030006000000080041000060400015000471000018000622450034000802600009001145460012001230050017001350STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSurekha Singh  aUGC-CSIR NET/JRF/SLET Physics  c2003  aEnglish20220125170120.0