D. C. Ganskopp, Angell, R. F., and Rose, J.,
“Response of Cattle to Cured Reproductive Stems in a Caespitose Grass”,
Journal of Range Management, vol. 45, no. 4, p. 401, 1992.
R. F. Angell, Miller, R. F., and Haferkamp, M. Roy,
“Variability of Crude Protein in Crested Wheatgrass at Defined Stages of Phenology”,
Journal of Range Management, vol. 43, no. 3, p. 186, 1990.
T. G. Gilmanov, Johnson, D. A., Saliendra, N. Z., Svejcar, T., Angell, R. F., and Clawson, K. L.,
“Winter CO2 fluxes above sagebrush-steppe ecosystems in Idaho and Oregon”,
Agricultural and Forest Meteorology, vol. 126, no. 1-2, pp. 73 - 88, 2004.