Narayanan P. <br/><br/>
Copyright and industrial designs , reprint 2010 

 - 4th 
 - Kolkata  Eastern Book Co. India       2007 
 - 44,1097p  cm. 
<br/><br/><label>Standard No.: </label>40,457 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z2,2674, P7