Umarkutty, A. N. P. <br/><br/>
Samudra vigyan / 
A. N. P. Umarkutty; translated by D. P. Pandey 
 - New Delhi :  National Book Trust,  1993. 
<br/><br/> 8 Plates 
<br/><br/><br/>In Hindi 
<br/><br/><label>Subjects--Index Terms: </label>Geography Oceanography