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  1. By: Olsen, Ørjan
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1913
    Date: 1913
    Page Range: 1073--1090
    Publication Info: London :Academic Press, [etc.],1833-1965.
  2. By: Olsen, Ørjan
    Type: Article
    In: Report on the scientific results of the "Michael Sars" north Atlantic deep-sea expedition 1910, carried out under the auspices of the Norwegian government and the superintendence of Sir John Murray, K.C.B., and Dr. Johan Hjort ...
    Volume: 3
    Date: 1913
    Page Range: 1--9
    Publication Info: Bergen,The Trustees of the Bergen museum[1914-