Proceedings 

 - New  York United Nations USA      1968 
 - "vii, 293p."  cm. 
 - United Nations Water resources series. 38 .
<br/><br/><label>Standard No.: </label>83868 
<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):27p1,N68, K8/UN"