ZANEN, J <br/><br/>
[Contribution to the study of the absolute energy values of foveal achromatic thresholds].  [electronic resource] 

 -  Bulletins et memoires de la Societe francaise d'ophtalmologie  1961 
 - 238-68 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0081-1092 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Color Vision Defects<br/>Fovea Centralis<br/>Humans