Scientific American .Inc  _ <br/><br/>
Biosphere 

 - San Francisco  W.H. Freeman  1970 
 - viii, 134 p.  25 cm.  HB 
<br/><br/><label>ISBN: </label>0716709465 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Biosphere, Ecology
<br/><br/><label>Dewey Class. No.: </label>577  / FRE