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  1. 40508171120
    Author(s):Gertz, H.
    Title:Quelques relations nouvelles concernant les images optiques produites par réfraction oblique.
    Subject(s):Eye refraction Optics
    Journal Title Abbreviation:Acta ophth.
    Place of Publication:Kbh.
    Date of Publication:1925–26
    Pagination:3: 303–15.
    Language:Danish
    Type of Resource:Analytic
    Series/Volume/Page:Series 4/Volume 5/Page 817
  2. 40508171350
    Author(s):Strömberg, E.
    Title:Ueber Refraktion und Achsenlänge des menschlichen Auges (vorläufige Mitteilung)
    Subject(s):Eye refraction Optics: Angle, axis, and focal points
    Journal Title Abbreviation:Acta ophth.
    Place of Publication:Kbh.
    Date of Publication:1936
    Pagination:14: 281–93.
    Language:Danish
    Type of Resource:Analytic
    Series/Volume/Page:Series 4/Volume 5/Page 817