Leach, James A. AutoCAD 14 companion : essentials of AutoCAD plus solid modelling/ James A. Leach - Boston : McGraw-Hill Companies, c1999. - xxii, 614 p. : illustration : 28 cm. Includes appendices and index. ISBN: 0-256-26692-1 Dewey Class. No.: Circ. 620.0042 L434 1999