Goetsch, D. L. <br/><br/>
Understanding computer aided design and drafting   
by D. L. Goetsch. 
 - Oklahoma  Pennwell Books.  1986 
 - x, 197p. 
<br/><br/><label>ISBN: </label>0878143009 
<br/><br/><label>Dewey Class. No.: </label>620.0042  / N867