00285nam a2200133Ia 45000030006000000080041000060400015000471000017000622450024000792500010001032600009001135460012001220050017001340STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWinger, R.M.  aProjective geometry  aFirst  c1962  aEnglish20220125170016.0