Gasaway, William C., Stephen D. DuBois, Samuel J. Harbo, and David G. Kelleyhouse. “PRELIMINARY REPORT ON ACCURACY OF AERIAL MOOSE SURVEYS”. Alces 14 (January 1, 1978): 32–55. Accessed February 16, 2025. https://alcesjournal.org/index.php/alces/article/view/1739.