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  1. By: Grafflin, Allan L
    Type: Article
    In: The Biological bulletin
    Volume: 72
    Date: 1937-04-01
    Page Range: 247--257
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  2. By: Grafflin, Allan L - Gould, R G
    Type: Article
    In: The Biological bulletin
    Volume: 70
    Date: 1936-02-01
    Page Range: 16--27
    Publication Info: Woods Hole, Mass Marine Biological Laboratory