00282nam a2200133Ia 45000030006000000080041000060400015000471000023000622450014000852500011000992600009001105460012001190050017001310STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRamachandran, G.V.  aAstronomy  aFourth  c1947  aEnglish20220125170007.0