Helfrich Harold W Ed. <br/><br/>
Environmental criss    Man's struggle to live with    

 - New Haven   Yale University Press         1970 
 - x,187p  cm. 
<br/><br/><label>ISBN: </label>0300013124 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human Geography
<br/><br/><label>Dewey Class. No.: </label>U47, L0