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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Chapman, Peter M.
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 94
    Date: 1981
    Page Range: 455--457
    Publication Info: Washington, Biological Society of Washington,
  2. By: Chapman, Peter M.
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 92
    Date: 1979
    Page Range: 812--813
    Publication Info: Washington, Biological Society of Washington,
  3. By: Chapman, Peter M. - Brinkhurst, Ralph O.
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 99
    Date: 1986
    Page Range: 323--327
    Publication Info: Washington, Biological Society of Washington,