WORLD WATER BALANCE AND WATER RESOURCES OF THE EARTH 

 - Paris : The UNESCO Press,  1978 
 - 663p ; illus. 
 - Unesco. Studies & reports in hydrology ; no.25 .
<br/><br/><br/>ENG 
<br/><br/><label>ISBN: </label>92-3-101497- 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WATER BALANCE.<br/>Water Resources