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  1. By: Askins, Robert A
    Type: Article
    In: Arnoldia
    Volume: 73
    Issue: 4
    Date: 2016
    Page Range: 18--35
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  2. By: Askins, Robert A - Philbrick, Margarett J
    Type: Article
    In: The Wilson bulletin
    Volume: 99
    Issue: 1
    Date: 1987
    Page Range: 7--21
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Benoit, Lori K - Askins, Robert A
    Type: Article
    In: The Wilson bulletin
    Volume: 114
    Issue: 3
    Date: 2002
    Page Range: 314--323
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-