HARTRIDGE, H <br/><br/>
Colour-blindness at small visual angles.  [electronic resource] 

 -  The Journal of physiology  Jun 1947 
 - 8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-3751 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Blindness<br/>Color<br/>Color Vision Defects<br/>Humans<br/>Vision, Ocular--physiology