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  1. By: Corkum, L. D. (Lynda Dale), - Clifford, Hugh F.
    Type: Article
    In: Quaestiones entomologicae
    Volume: 17
    Issue: 1/2
    Date: 1981
    Page Range: 129--146
    Publication Info: Edmonton, Dept. of Entomology, University of Alberta,
  2. By: Clifford, Hugh F.
    Type: Article
    In: Quaestiones entomologicae
    Volume: 18
    Issue: 1/4
    Date: 1982
    Page Range: 15--90
    Publication Info: Edmonton, Dept. of Entomology, University of Alberta,
  3. By: Clifford, Hugh F.
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 52
    Issue: 4
    Date: 1976
    Page Range: 265--271
    Publication Info: San Francisco Pacific Coast Entomological Society