Farnsworth, Dean (1943). "The Farnsworth–Munsell 100-Hue and Dichotomous Tests for Color Vision". Journal of the Optical Society of America. 33 (10): 568–574. Bibcode:1943JOSA...33..568F. doi:10.1364/josa.33.000568.
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Farnsworth, Dean (1943). "The Farnsworth–Munsell 100-Hue and Dichotomous Tests for Color Vision". Journal of the Optical Society of America. 33 (10): 568–574. Bibcode:1943JOSA...33..568F. doi:10.1364/josa.33.000568.