World resources 2000-2001. People and ecosystems :  the fraying web of life 

 - Washington, D.C. :  World Resources Institute,  2000       
 - ix, 389 p. 
<br/><br/><label>ISBN: </label>1569734437 
<br/><br/><label>LC Class. No.: </label>HC 10 W927 2000