Voisinet, Donald D. <br/><br/>
Computer-aided drafting and design  Concepts and applications 

 - New York  McGraw-Hill  1987 
 - xii,382p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Computer aided design
<br/><br/><label>Dewey Class. No.: </label>621.381952  / V89C