Voisinet, D. Donald <br/><br/>
Computer Aided Drafting and Design : concept and applications 

 - Gregg Division/McGraw-Hill, New york  1987 
 - ix; 382 
<br/><br/><label>ISBN: </label>0-07-067565-1 
<br/><br/><label>Dewey Class. No.: </label>001.6443 Voi