Biblio
“The influence of winter nutrition of range beef cattle production in eastern Oregon”, American Society of Animal Production - Western Section, vol. Vol. II. 1961.
, “Effects of Range Improvement on Roosevelt Elk Winter Nutrition”, Journal of Range Management, vol. 34, no. 3, p. 184, 1981.
, “EOARC Annual Report, Special Report 923: Effects of Reducing Dystocia on Heifer Productivity”, Oregon Agricultural Experiment Station, 1993.
,