Cohn, David S. <br/><br/>
The autocad  release 12 encclopedia / 
David S.  Cohn. 
 - Reading, Massachusettes :  Addison-Wesley,  1993 
 - 1,058 p. :  ill. ;  24 cm. 
<br/><br/> Index. 
<br/><br/><label>ISBN: </label>0201622629 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer graphics<br/>Auto CAD (Computer file)
<br/><br/><label>Dewey Class. No.: </label>620.0042  / C678A 1993