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  1. By: Nicklas, Nancy L - Hoffmann, Richard J
    Type: Article
    In: The Biological bulletin
    Volume: 160
    Date: 1981-02-01
    Page Range: 123--135
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  2. By: Hoffmann, Richard J
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 10
    Date: 1867
    Page Range: 183--184
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  3. By: Hoffmann, Richard J
    Type: Article
    In: The Biological bulletin
    Volume: 151
    Date: 1976-12-01
    Page Range: 478--488
    Publication Info: Woods Hole, Mass Marine Biological Laboratory