PakCat catalogue record Computer aided engineering drawing using autocad By Helsel, Jay.D Jenson, Cecil Voisinet, Donald.D Bibliographic details ISBN0070675686 PublisherMCGRAW HILL Publication placeNEWYORK Publication year1990 LanguageEnglish Material typeBook Physical description420P SubjectsAUTOCAD-COMPUTER AIDED ENGINEERING DRAWING