Ummarkutty, A N P <br/><br/>
Samudrasastram 

 - Thiruvananthapuram  State Institute of Languages  2000 
 - 221p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--geology,hydrology and meteorologyGeneral Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>science--natural sciences and mathematicsGeneralia
<br/><br/><label>Dewey Class. No.: </label>551.46  / UMM-S