Proceedings of the seminar on the imporvement of i 

 - New  York United Nations U S A    1982 
 - 110p.  cm. 
 - "Un, Water Resoruces Series. 56" .
<br/><br/><label>Standard No.: </label>84223 
<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).4.N7, M2"