Vaz, Alvaro Carmo. <br/><br/>
Sharing the Incomati Waters :  Cooperation and competition in the Balance / 
Alvaro Carmo Vaz and Pieter van der Zaag. 
 - London :  Unesco, 
 - 101p. 
 - PC-CP series. .
<br/><br/> Include annex 
<br/><br/>Include bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water balance