Holdgate, Martin <br/><br/>
The green web :  A union for world conservation / 
Martin Holdgate. 
 - London :  Internacional Union for Conservation of Nature and Natural Resources,  1999. 
 - xi, 308 p. ;  il. fotografías ;  24 cm. 
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label>1853835951 
<br/><br/><label>Subjects--Index Terms: </label>Conservation  Conservación 
<br/><br/><label>Dewey Class. No.: </label>333.7206