KUGELBERG, I <br/><br/>
How do the colour blind interpret our present signalling colours?  [electronic resource] 

 -  Acta ophthalmologica  1949 
 - 140 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0001-639X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Color<br/>Color Vision Defects<br/>Humans