Ground water in North and West Africa 

 - New  York United Nations U S A    1988 
 - 405p.  cm. 
 - United Nations Resoruces/Water Series. 18 .
<br/><br/><label>Standard No.: </label>85277 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engneering
<br/><br/><label>Dewey Class. No.: </label>"X9(D24).6.N8, M8/UN"