00287nam a2200121Ia 45000030006000000080041000060400015000471000021000622450033000832600020001165460012001360050017001480STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSrivastava, M.P.  aSpecial theory of relativity  bHindustanc1962  aEnglish20220125170018.0