Besterfield, Dale H. Technical sketching with an introduction to 2D and 3D CAD : for engineers, technologists, and technicians / Dale H. Besterfield, Robert E. O’Hagan - 4th ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, 2007 - xi, 445 p. : ill. ; 28 cm. Includes index Previous ed.: 1998 ISBN: 0132432781 (pbk.) 9780132432788 (pbk.) Subjects--Topical Terms: Freehand technical sketchingComputer--Aided design