Kemp, R <br/><br/>
Perception and recognition of normal and negative faces: the role of shape from shading and pigmentation cues.  [electronic resource] 

 -  Perception  1996 
 - 37-52 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0301-0066 
<br/><br/><label>Standard No.: </label>10.1068/p250037  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Face<br/>Humans<br/>Random Allocation<br/>Visual Perception