T. Delcurto, Johnson, B. K., Vavra, M., Ager, A. A., and Coe, P. K.,
“The influence of season on distribution patterns relative to water and resource use by cattle grazing mixed forested rangelands”,
Proc. West. Sec. Am. Soc. Anim. Sci. , vol. 51. pp. 171-175, 2000.