Encyclopedia of the Biosphere: Humans in the world's ecosystems 

 -  2000 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>54970 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biosphere-Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>G95k, P0.7     RR