Ummerkutty, A.N.P. <br/><br/>
Science of the oceans 

 -  N.A, National Book Trust  1999 
 - 144 
<br/><br/> 1626 
<br/><br/><label>ISBN: </label> 40 
<br/><br/><label>Dewey Class. No.: </label>551.46  / UMM-S