Hunt, R. W. G. (1 March 1952). "Light and Dark Adaptation and the Perception of Color*". Journal of the Optical Society of America. 42 (3): 190–199. doi:10.1364/JOSA.42.000190. PMID14908745.
Hunt, R. W. G. (1 March 1952). "Light and Dark Adaptation and the Perception of Color*". Journal of the Optical Society of America. 42 (3): 190–199. doi:10.1364/JOSA.42.000190. PMID14908745.