Ummerkutty, A.N.P.  . <br/><br/>
Science of the oceans /  
by A.N.P. Ummerkutty. 
 - New Delhi :   National Book Trust,  India ,   1985 
 - 144p :  
<br/><br/><label>ISBN: </label>81-237-0468-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Useful art
<br/><br/><label>Dewey Class. No.: </label>A:(H4225)  / M5