Pereira, Luis Santos. <br/><br/>
Coping with water scarcity :  international hydrological programme. 
/ by Luis Santos Pereira, [et all....] 
 - Paris :  UNESCO,  2002. 
 - ix, 269 p. ;  29 cm. 
 - IHP-VI Technical Documents in Hydrology.  No.58 .
<br/><br/><label>Dewey Class. No.: </label>333.91 PER  / 1649