Narayanan, P. <br/><br/>
Patent law 
P. Narayanan. 
 - 3rd ed. 
 - Calcutta  Eastern Law House  1998 
 - 990p., 22cm. 
<br/><br/><label>ISBN: </label>8171770908 
<br/><br/><label>Dewey Class. No.: </label>346.0486  / N25P