Sidharthan R <br/><br/>
Book of inventions 

 - Thiruvananthapuram  Siso books  2005 
 - 256p. 
<br/><br/><label>ISBN: </label>9798177970806 
<br/><br/><label>Subjects--Index Terms: </label>Inventions-circumstances and inventors 
<br/><br/><label>Universal Decimal Class. No.: </label>5+6:001.894  / SID  R