Ritchie, D G <br/><br/>
Is there a single cell code for background light levels?  [electronic resource] 

 -  Experientia  Jun 1975 
 - 656-7 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0014-4754 
<br/><br/><label>Standard No.: </label>10.1007/BF01944612  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Darkness<br/>Light<br/>Mesencephalon--physiology<br/>Rabbits<br/>Superior Colliculi--physiology<br/>Time Factors<br/>Visual Fields<br/>Visual Pathways--physiology<br/>Visual Perception