Jensen, Cecil Howard, 1925- Engineering drawing and design / Cecil Jensen, Jay D. Helsel. - 5th ed. - New York, N.Y. : Glencoe, c1996. - 1 v. (various pagings) : ill. (some col.) ; 29 cm. Includes index. ISBN: 0028017951 LCCN: 94011373 Subjects--Topical Terms: Mechanical drawing.Engineering design. LC Class. No.: T353 / .J45 1996 Dewey Class. No.: 604.2