Sagan, Carl <br/><br/>
The dragons of eden: speculations on the evolution of human intelligence 

 - New York:  Ballantine Books  1977 
 - 271p. 
<br/><br/><label>ISBN: </label>0345346297 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Genetic psychology; Intellect-Evolution; Intellect<br/>Science
<br/><br/><label>Dewey Class. No.: </label>573.2  / Sa181d