1. Research into the dynamic nature of the human fovea-cortex systems with intermittent and modulated light;De Lange;J. opt. Soc. Am.,1958
2. A spectral compensation method for determining the flicker characteristics of human colour mechanisms;Este´vez;Vision Res.,1974
3. Further studies of visual mechanisms by the two-colour method;Stiles,1953
4. The receptors of human color vision;Wald;Science, N.Y.,1964
5. Color Science;Wyszecki,1967