Barr, Paul C. CAD: principles and applications [Books]. Paul C. Barr, Ronald L. Krimper, Michael R. Lazear and Christopher stammen. - Englewood Cliffs Prentice Hall 1985 - Pages: 205 ISBN: 0131101986 0.00 Subjects--Personal Names: Computer-aided design.Engineering design -- Data processing. Dewey Class. No.: TA/174 / CAD