A N P Umarkutty <br/><br/>
Samudra Vigyan 

 -  National Book Trust  1993 
 -  131 
<br/><br/><label>ISBN: </label>8123706715 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Samanya Sasthram
<br/><br/><label>Dewey Class. No.: </label>HS UMA