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  1. By: Hess, Carl von, - Versammlung deutscher Naturforscher und Ärtze Vienna, Austria) - University College, London. Library Services.
    Publication info: Wiesbaden, verlag von J. F. Bergmann, 1914
    Holding Institution: UCL Library Services, University College London (UCL)
    Subjects: Animals  Color vision  Electronic books  Ophthalmology  Photoreceptors  
  2. By: Detwiler, Samuel Randall,
    Publication info: New York, The Macmillan Company, 1943
    Holding Institution: MBLWHOI Library
    Subjects: Photoreceptors  Retina  
  1. By: Donatti, Lucélia - Fanta, Edith
    Type: Article
    In: Revista Brasileira de Zoologia
    Date: 2007-06-01
    Subjects: Photic variation  Photoreceptors  Retina