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        Summary 
        
         
          
           | Description | 
           Cones SMJ2 E.svg
             English: Simplified human cone response curves. 
             
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           | Date | 
           26 October 2007 (original upload date) | 
          
          
           | Source | 
           Based on Dicklyon's PNG version, itself based on data from Stockman, MacLeod & Johnson (1993) Journal of the Optical Society of America A, 10, 2491-2521d  http://psy.ucsd.edu/~dmacleod/publications/61StockmanMacLeodJohnson1993.pdf (log E human cone response, via  http://www.cvrl.org/database/text/cones/smj2.htm)  Transferred from  en.wikipedia to Commons by  User:Richard001 using  CommonsHelper. | 
          
          
           | Author | 
            Vanessaezekowitz at  en.wikipedia / Later version uploaded by  BenRG. | 
          
         
         
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             | Attribution:  Vanessaezekowitz at  en.wikipedia | 
             
            
             
              
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