00438nam a2200145Ia 4500100001900000942000700019654001300026245004400039260003400083082001000117300000800127546001200135999001700147952012800164  aGorden / V.O.   cBK  ageometry  aWorked problems in descriptive geometry  bMir  PublishersaMoscowc1979  a516.3  a335  aENGLISH  c29738d29738  001040708AFTaCRCEbCRCEc1462 | 11d2023-03-17eLVGg11.50i5381l0o516.3 pAFT2768r2023-03-17v11.50w2023-03-17yBK