Earth and human affairs 

 - New York  Harper & Row USA        1972 
 - xii, 139p. Bib p. 133-34  cm. 
<br/><br/><label>ISBN: </label>0063854910 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>U16:(G:5), L2