Besterfield, Dale H. technical sketching with an introduction to cad for engineers, technologists and technicians Dale H. Besterfield - 3rd ed. - Upper Saddle River, N.J. Prentice Hall c1998. - ix, 367 p. ill. 28 cm. Includes index. ISBN: 0134725727 Subjects--Topical Terms: Freehand technical sketching.