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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Bell, William J.,
    Type: Article
    In: The Biological bulletin
    Volume: 137
    Date: 1969-10-01
    Page Range: 239--249
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  2. By: Barth, Robert H. - Bell, William J.,
    Type: Article
    In: The Biological bulletin
    Volume: 139
    Date: 1970-12-01
    Page Range: 447--460
    Publication Info: Woods Hole, Mass Marine Biological Laboratory