00311nam a2200133Ia 45000030006000000080041000060400015000471000014000622450041000762500011001172600020001285460012001480050017001600STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aFrost, P.  aElementary treatise on curve tracing  aFourth  bMacmillanc1918  aEnglish20220125170015.0