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Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text Parry Moon, "A System of Photometric Concepts," J. Opt. Soc. Am. 32, 348-362 (1942) Export Citation BibTex Endnote (RIS) HTML Plain Text Citation alert Save article
Parry Moon (1942) studied this question.