Ekman, Paul <br/><br/>
Darwin and Facial expression: a century of research in review  Paul Ekman. 

 - New York  Academic Press  1973 
 - xi, 273p., ill. 
<br/><br/><label>ISBN: </label>0-12-236750-2. 
<br/><br/><label>Dewey Class. No.: </label>152.42  / D18D