A pre-wolf disease survey in Yellowstone National Park
Johnson, M.R., Williams, E.S., Hatier, K.G., Schultz, R.D., Gese, E.M., Crabtree, R.L. and Brewster, W.G.
in: A. P. Curlee, A.-M. Gillesberg, and D. Casey, editors. Greater Yellowstone Predators: Ecology and Conservation in a Changing Landscape: Proceedings of the Third Biennial Conference on the Greater Yellowstone Ecosystem. September 24-27, 1995, Yellowstone National Park. Northern Rockies Conservation Cooperative, Yellowstone National Park, Wyoming, USA, pp. 196-198