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  1. Nudibranchfaunaen i Drøbaksundet. av Paul Løyning. I., Fam. Aeolididae /
    By: Løyning, Paul. - Zoologiske Laboratorium (Oslo, Norway)
    Publication info: Kristiania :I kommission hos J. Dybwad,1922.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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