00293nam a2200133Ia 45000030006000000080041000060400015000471000016000622450021000782500011000992600020001105460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMccoy, H.N.  aThelogy of rings  aSecond  bMacmillanc1965  aEnglish20220125165928.0