Discharge of selected rivers of the world :   a contribution to the International Hydrological Decade. 

 - Paris ,     1969-1971. 
 - 3v. ;    27 cm. 
 - Unesco IASH. Studies and reports in hydrology ;   5. .
<br/><br/>  English, French, Spanish and Russian. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rivers.--------