Head, George O., 1945- <br/><br/>
1000 AutoCAD tips and tricks /  
George O. Head, Jan Doster Head 
 - Third Edition 
 - Chapel Hill, NC :   Ventana Press,   c1992. 
 - L, 686 pages:  illustrations;  21 cm. 
<br/><br/> Includes indexes 
<br/><br/><label>ISBN: </label>971-65-026-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AutoCAD
<br/><br/><label>Dewey Class. No.: </label>DC 620.0042  / H34