Behrman, Daniel <br/><br/>
In partnership with nature :  Unesco and the environment, Unesco and its programme / 
Daniel Behrman. 
 - Second edition 
 - Paris :  UNESCO,  1973. 
 - 111 p. ;  fotografías ;  21 cm. 
<br/><br/><br/>Inglés  
<br/><br/><label>ISBN: </label>9231011111  Normal 
<br/><br/><label>Subjects--Index Terms: </label>Conservation Conservación 
<br/><br/><label>Dewey Class. No.: </label>333.72