00299nam a2200121Ia 45000030006000000080041000060400015000471000028000622450024000902600034001145460012001480050017001600STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSurya Narayana Iyer, S.  aProjective geometry  bSurya Narayana Iyer, S.c1950  aEnglish20220125170014.0