Head, George O. <br/><br/>
The autocad 3D companion :  the illustrated guide to autocard's third dimension / 
George O. Head 
 - Chapel Hill, NC :  Ventana Press,  1993 
 - 579 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>1566040426 
<br/><br/><label>LCCN: </label>92-44391 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>AutoCAD (Computer file)
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer graphics