Proceedings of the conference and technical papers 

 -  1961 
<br/><br/><label>Standard No.: </label>88,123 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>U111p1:N58, K1