Proceedings and technical papers. V 2 

 - New  York United Nations USA      1957 
 - "x, 133p."  cm. 
<br/><br/><label>Standard No.: </label>120382 
<br/><br/><label>Source: </label> Reports 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>"U11p1,N55, J7.2/UN"