00290nam a2200121Ia 45000030006000000080041000060400015000471000014000622450045000762600018001215460012001390050017001510STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRay, M.D.  aTheory of relativity special and general  bS.Chandc1965  aEnglish20220125170023.0