Scientific framework of world water balance :  Technical papers in hydrology / 
UNESCO 
 - France :  Unesco ,  1971. 
 - 27 p. ;  27 cm 
<br/><br/> Inventory Control Project record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water balance (Hydrology)<br/>Waterhuishouding.
<br/><br/><label>Dewey Class. No.: </label>551.48  / SCI 1971