Person, D. K., R. T. Bowyer, and V. Van Ballenberghe. “DENSITY DEPENDENCE OF UNGULATES AND FUNCTIONAL RESPONSES OF WOLVES: EFFECTS ON PREDATOR-PREY RATIOS”. Alces: A Journal Devoted to the Biology and Management of Moose, vol. 37, no. 2, Jan. 2001, pp. 253-7, https://alcesjournal.org/index.php/alces/article/view/577.