Duchenne de Boulogne/Cuthbertson <br/><br/>
The Mechanism of Human Facial Expression 

 -  Cambridge University Press  Cambridge University Press  1990 
<br/><br/><label>ISBN: </label>9780511752841 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology