00297nam a2200133Ia 45000030006000000080041000060400015000471000018000622450028000802600020001083000006001285460012001340050017001460STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHaranam Singh  aB.Sc. Practical Physics  c2004aNew Delhi  a0  aEnglish20220125170117.0