Longterm perspectives for water use and supply in the ECE region 

 - New  York United Nations USA      1981 
 - 29p.  cm. 
<br/><br/><label>Standard No.: </label>83878 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engneering
<br/><br/><label>Dewey Class. No.: </label>"X9(D2):27.5.N7, M1/UN"