Voisinet, Donald D.,  1939- <br/><br/>
Introduction computer-aided drafting / 
Donald D. Voisnet 
 - 2nd ed. 
 - New York :  McGraw-Hill,  c1986. 
 - vii, 274p. 
<br/><br/><label>ISBN: </label>0070675635 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer graphics.