Raynor E.J., Gersie S.P, Stephenson M.B., Clark PE, Spiegal S., Boughton RK, C. Bailey D, Cibils AF, Smith B.W., Derner J.D et al..  2021.  Cattle grazing distribution patterns related to topography across diverse rangeland ecosystems of North America. Rangeland Ecology & Management. 75:91-103.