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An "average eye" for heterochromatic photometry, and a comparison of a flicker and an equality-of-brightness photometer
Author(s) -
E. C. Crittenden,
F. K. Richtmyer
Publication year - 1918
Publication title -
bulletin of the bureau of standards
Language(s) - English
Resource type - Journals
eISSN - 2376-8991
pISSN - 0096-8579
DOI - 10.6028/bulletin.327
Subject(s) - photometry (optics) , photometer , brightness , flicker , optics , optometry , astronomy , physics , computer science , stars , medicine , computer graphics (images)

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