Pöppel, E <br/><br/>
Light-difference threshold and subjective brightness in the periphery of the visual field.  [electronic resource] 

 -  Psychologische Forschung  1973 
 - 145-61 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0033-3026 
<br/><br/><label>Standard No.: </label>10.1007/BF00424967  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Light<br/>Visual Fields