Sareen , Kuldeep Kumar <br/><br/>
Cad /Cam theory and Concepts 

 - New Delhi  S. Chand  2012 
 - 452p. 
<br/><br/><label>ISBN: </label>9788121923743 
<br/><br/><label>Dewey Class. No.: </label>620.0042  Sa72C