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A.  Macqueen and Beirne, B., ?Dung beetle activity and fly control potential of Onthophagus nuchicornis (Coleoptera: Scarabaeinae) in British Columbia?, Canadian Entomologist, vol. 107, pp. 1215-1220, 1975.

A.  Macqueen and Beirne, B. P., ?Effects of cattle dung and dung beetle activity on growth of beardless wheatgrass in British-Columbia?, Canadian Journal of Plant Science, vol. 55, pp. 961-967, 1975.