Curtis, D W <br/><br/>
Judgments of average lightness and darkness: a further consideration of inverse attributes.  [electronic resource] 

 -  Perception & psychophysics  Oct 1978 
 - 343-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0031-5117 
<br/><br/><label>Standard No.: </label>10.3758/bf03204251  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Darkness<br/>Discrimination, Psychological<br/>Humans<br/>Light<br/>Visual Perception