Anilkumar, K. N. <br/><br/>
Engineering graphics  Unique methods, Easy solutions / 

 - 9th ed. 
 - Kottayam :  Adhyuth Narayan Publishers ,  2014. 
 - 19.8, P.420 
<br/><br/> CD attached 
<br/><br/><label>ISBN: </label>8290358732