Fundamentals of CAD 
Bertoline, Gary R. 
 -  Delmar Publishing Inc.  1985 
 - 364 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-8273-2332-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer aided design.
<br/><br/><label>Dewey Class. No.: </label>620.00425 B46f 1985