Hydrology of Deltas :  proceedings of the Bucharest symposium, 6 - 14 May 1969. 

 - Paris :  Unesco,  c 1970. 
 - Vol ;  26 cm. 
<br/><br/>V. 1--  ; 
<br/><br/>338  338 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deltas.
<br/><br/><label>Dewey Class. No.: </label>551.49 / U3h