Proceedings 

 -  1977 
 - "iv, 49p."  cm. 
 -  V 1 .
<br/><br/><label>Standard No.: </label>120549 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>"U11p1,N77, L7/UN"