Proceedings 

 - New  York United Nations U S A    1968 
 - "iii,342p."  cm. 
 - "United Nations, Publication" .
<br/><br/><label>Standard No.: </label>114615 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>"HZ.25p1,N66, K8"