Leakey, Richard <br/><br/>
Sixth Extinction : Patterns Of Life And The Future Of Humankind 

 - New York  Doubleday Dell Pub. Group  1995 
 - 271p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>G:66OY17
<br/><br/><label>Dewey Class. No.: </label>G:66OY17  / M5