Ummerkutty, A. N. P. <br/><br/>
Science of the oceans / 
Ummerkutty, A. N. P. 
 - 138 p. ; ill. ; 21 cm. 
<br/><br/><label>ISBN: </label>8123704682 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oceans<br/>Scince
<br/><br/><label>Dewey Class. No.: </label>551.46