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  1. By: Roberts, D
    Type: Article
    In: Journal of the Malacological Society of Australia
    Volume: 5
    Issue: 1-2
    Date: 1981
    Page Range: 33--40
    Publication Info: Malvern, Vic Malacological Society of Australia 1957-1993
  2. By: Roberts, D
    Type: Article
    In: Journal of the Malacological Society of Australia
    Volume: 6
    Issue: 3-4
    Date: 1984
    Page Range: 191--204
    Publication Info: Malvern, Vic Malacological Society of Australia 1957-1993
  3. By: Roberts, D - Wells, Fred E.,
    Type: Article
    In: Records of the Western Australian Museum
    Volume: 8
    Issue: 3
    Date: 1980
    Page Range: 335--357
    Publication Info: Perth Western Australian Museum 1910