Navas, M S <br/><br/>
Sastranjarum kandupidithangalum (m) 

 -  Travancore Publications, TVPM  1995 
 - 664 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions & patents
<br/><br/><label>Dewey Class. No.: </label>R 608  NAV-S