00308nam a2200133Ia 45000030006000000080041000060400015000471000018000622450046000802500010001262600009001365460012001450050017001570STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAskwith, E.H.  aAnalytical geometry of the Conic sections  aThird  c1908  aEnglish20220125170011.0