Scientific problems of the humid tropical zone deltas and their implications :  proceedings of the Dacca symposium / 

 - Paris :  UNESCO,  c 1966. 
 - 422 p. :  ill. ;  30 cm. 
<br/><br/>331  331 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dictionaries & encyclopedias.
<br/><br/><label>Dewey Class. No.: </label>503 / U3s