Review of the United Nations ground water exploration 

 - New  York United Nations USA      1979 
 - "vii, 84p."  cm. 
 - United Nations natural resources water series .
<br/><br/><label>Standard No.: </label>82863 
<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).N62<--N77, L9/UN"