Balakrishnan Nair, N <br/><br/>
Discovery of oceans / 
Balakrishnan Nair, N 
 -  National Council of Educational Research & Training,  1969 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ocean exploration & voyages
<br/><br/><label>Dewey Class. No.: </label>910.453 BAL-D