1. Andrew NG, Bleich VC, August PV (1999) Habitat selection by mountain sheep in the Sonoran Desert: implications for conservation in the United States and Mexico. Calif Wildl Conser Bull 12:1–30
2. Armentrout DJ, Brigham WR (1988) Habitat suitability rating system for desert bighorn sheep in the Basin and Range Province. U S Bur Land Manage Tech Note 384
3. Bavin RL (1982) Post-release study of desert bighorn sheep in the Big Hatchet Mountains, New Mexico. N M Dep Game and Fish, Santa Fe NM
4. Cunningham S (1989) Evaluation of desert bighorn sheep habitat. In: Lee RM (ed) The desert bighorn sheep of Arizona. Ariz Game and Fish Department, Phoenix, pp 135-160
5. DeForge JR (1980) Population biology of desert bighorn sheep in the San Gabriel Mountains of California. Des Bighorn Coun Trans 24:29–32