Smith Guy Harold Ed. <br/><br/>
Conservation of natural resources 

 - 4th 
 - New York  John Wiley & Sons U S A     1971 
 - xiii,685p.  cm. 
<br/><br/> Bib chapterwise 
<br/><br/><label>ISBN: </label>0 471801925 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>U671.73, J8;L1/TD3