Scientific problems of the humid tropical zone deltas and their implications  
/ Unesco, proceedings of the dacca symposium  
 - Paris:   Unesco,   1966 
 - 422p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Tropical zone  
<br/><br/><label>Universal Decimal Class. No.: </label>551(213)  / K6