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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 , "General Electric Review," J. Opt. Soc. Am. 42, 217-217 (1952) Export Citation BibTex Endnote (RIS) HTML Plain Text Citation alert Save article
A 1952 study studied this question.