Arid zone hydrology  : recent developments 

 - Paris :  UNESCO,  1959 
 - 125 p.  : ilus. 
 - Arid zone research  ; 12 .
 - Arid zone research  ; 12 .
<br/><br/><label>LCCN: </label>45767 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Abastecimiento--Regiones aridas.<br/>Regiones áridas.
<br/><br/><label>Dewey Class. No.: </label>551.49  / U54