MacLeod, D I Chromaticity diagram showing cone excitation by stimuli of equal luminance. [electronic resource] - Journal of the Optical Society of America Aug 1979 - 1183-6 p. digital Publication Type: Journal Article ISSN: 0030-3941 Standard No.: 10.1364/josa.69.001183 doi Subjects--Topical Terms: Color Perception--physiologyHumansLightMathematicsModels, BiologicalPhotic StimulationPhotoreceptor Cells--physiology