00281nam a2200121Ia 45000030006000000080041000060400015000471000033000622450026000952600009001215460012001300050017001420STCL150530s9999 xx 000 0 und d aSTCLcSTCL aRichardson, G.; Ramsey, A.S. aModern plane geometry c1894 aEnglish20220125170013.0