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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Dean, David Allen - Hatfield, Phyllis A
    Type: Article
    In: The Biological bulletin
    Volume: 124
    Date: 1963-04-01
    Page Range: 163--169
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  2. By: Hatfield, Phyllis A
    Type: Article
    In: The Biological bulletin
    Volume: 128
    Date: 1965-06-01
    Page Range: 356--368
    Publication Info: Woods Hole, Mass Marine Biological Laboratory