Sagan Carl <br/><br/>
Dragons of Eden. 

 - London  Hodder and Stoughton       1977 
 - 263p.  cm. 
<br/><br/><label>Standard No.: </label>39874 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>S:72, L7