Barfield, L P <br/><br/>
Proceedings: Interaction in the human visual system between sinusoidal gratings of harmonically related spatial frequencies.  [electronic resource] 

 -  The Journal of physiology  Jan 1976 
 - 67P-68P p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-3751 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adaptation, Ocular<br/>Humans<br/>Photic Stimulation<br/>Visual Perception