Use of non conventional water resources in developing countries 

 - New  York United Nations USA      1985 
 - 278p.  cm. 
 - UN National resources water series .
<br/><br/><label>Standard No.: </label>82864 
<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).1(X).N8, M5/UN"