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  1. By: Smreciu, Elizabeth Ann, - Walker, D. G. (David G.) - Sinton, Heather. - Bietz, Jeanie. - Alberta. Alberta Agriculture, Food, and Rural Development.
    Publication info: Edmonton, Alta, Alberta Agriculture, Food and Rural Development, Information Packaging Centre, 2003
    Holding Institution: University of Alberta Library
  2. By: Walker, D. G. (David G.)
    Publication info: Edmonton, University of Alberta, 1979
    Holding Institution: University of Alberta Library
  1. By: Lindgren, Cory J. - Walker, D. G. (David G.)
    Type: Article
    In: The Canadian field-naturalist
    Volume: 126
    Issue: 4
    Date: 2013-04-22
    Page Range: 306--319
    Publication Info: Ottawa Ottawa Field-Naturalists' Club