Srivastava, Sunil Kumar.  <br/><br/>
Computer aided design :  a basic and mathematical approach / 

 - New Delhi :  Techsar,  c2012. 
 - xx, 404 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>LC Class. No.: </label>25804-25808 
<br/><br/><label>Dewey Class. No.: </label>620.004  / SRI