Future groundwater resources at risk 
International Hydrological Programme 
 - vi, 312 páginas  ilustraciones  30 cm. 
 - Technical Documents in Hydrology  27 .
 - Technical Documents in Hidrology .
<br/><br/> Incluye: Indice 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua subterránea
<br/><br/><label>Dewey Class. No.: </label>551.49  / INT 2000