John. D. Hood <br/><br/>
Easy AutoCAD: A tutorial Approach 

 - 
 -  McGraw-Hill  1988 
 - 219 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-07-029739-8 
<br/><br/><label>Dewey Class. No.: </label>004.434