O'Mara, Gerald T. <br/><br/>
Issues in the efficient use of surface and groundwater in irrigation 

 - Washington :  The World Bank,  1984 
 - 93 p. 
 - Word Bank Staff Working  ; 707 .
 - Word Bank Staff Working  ; 707 .
<br/><br/><label>LCCN: </label>34992 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua subterranea.<br/>Irrigación.