Sagan, Dorion <br/><br/>
Biospheres :  Metamorphosis of Planet Earth  / 
Dorion Sagan 
 - 1st ed. 
 - NEW YORK, ESTADOS UNIDOS :  MCGRAW HILL,  1989 
 - 195 p. 
<br/><br/><label>ISBN: </label>0070544263 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOSFERA
<br/><br/><label>Dewey Class. No.: </label>575.001  / S24