Postel, Sandra. <br/><br/>
Last oasis :   facing water scarcity  
/ by Sandra Postel 
 - New York :   W.W. Norton,   1997. 
 - xxxviii, 239 p. :   ill., map ;   21 cm. 
<br/><br/><label>ISBN: </label>0393317447 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply. Water conservation. Water rights.
<br/><br/><label>Dewey Class. No.: </label>333.91 POS