Duffey, Eric <br/><br/>
Conservation of nature / 
Eric Duffey 
 - London :  McGraw-Hill,  c1970 
 - 128 p. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0001001205 :  USD 4.70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation
<br/><br/><label>Dewey Class. No.: </label>799