Grabowski, Ralph. <br/><br/>
The illustrated AutoCAD quick reference / 
Ralph Grabowski. 
 - 2nd ed. 
 - Albany, N.Y. :  Delmar Publishers,  c1993. 
 - xv, 428 p. :  ill. ;  23 cm. 
<br/><br/> "Release 12"--Cover. 
<br/><br/><label>ISBN: </label>0827358393 
<br/><br/><label>LCCN: </label>92044264  
<br/><br/><label>Subjects--Uniform Titles: </label><br/>AutoCAD.
<br/><br/><label>Dewey Class. No.: </label>620.004  / GRA