1. Anonymous, 1997. The 10th and 11th report to Congress on the administration of the Wild Free-Roaming Horse and Burro Act for fiscal years 1992–1995. USDI-Bureau of Land Management and USDA-Forest Service. US Govt. Printing Office, Washington, DC.
2. Ecosystem-level processes;Archer,1991
3. Ungulate effects on the functional species composition of plant communities;Augustine;Journal of Wildlife Management,1998
4. Beever, E.A., 1999. Species- and community-level responses to disturbance imposed by feral horse grazing and other management practices. Dissertation, University of Nevada, Reno, NV, USA.
5. Beever, E.A., 2003. Management implications of the ecology of free-roaming horses in semiarid ecosystems of the western United States. Wildlife Society Bulletin, (In press).