Cost estmation of water resoruces projects 

 - New  York United Nations U S A    1972 
 - "ix,298p."  cm. 
 - "United Nations, Water Resoruces Series. 42" .
<br/><br/><label>Standard No.: </label>84270 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>"X9(D2):76.1(X).N7, L2/UN"