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  1. By: Sorenson, Graham H. - Hollyoake, Alyssa L. - Bradley, David W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 134
    Issue: 2
    Date: 2020-06-01
    Page Range: 152--155
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Schreiber, Ralph W. - Schreiber, Elizabeth Anne - Anderson, Daniel W. - Bradley, David W.
    Type: Article
    In: Contributions in science
    Volume: 402
    Date: 1989-03-14
    Page Range: 1--43
    Publication Info: Los Angeles, Calif, The Museum, [1957]-