Engelman,Robert LeRoy,Pamela <br/><br/>
Sustaining Water  Population and the Future of Renewable Water Supplies / Robert Engelman, Pamela LeRoy 

 - Washington,D.C  Population and Environment Program  1993 
 - 56p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural Resources<br/>Water Scarcity<br/>Water Supply