Alpern, M <br/><br/>
Signals from cones.  [electronic resource] 

 -  The Journal of physiology  Apr 1970 
 - 463-75 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-3751 
<br/><br/><label>Standard No.: </label>10.1113/jphysiol.1970.sp009073  doi