More water for arid lands:  Promising technologies and research opportunities / 
National Academy of Sciences 
 - Washington, D C:  NAS,  1974. 
 - 154p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supply industry, Developing countries
<br/><br/><label>Dewey Class. No.: </label>628.72  / L4