Medawar, P. B.  1915-1987.  <br/><br/>
Pluto's Republic / 
Peter Medawar. 
 - x, 351 pages ;  20 cm. 
<br/><br/><label>ISBN: </label>0192830392 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Philosophy.