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2002
Jones, P. F., Hudson R. J., & Farr D. R. (2002).  Evaluation of a winter habitat suitability index model for elk in west-central Alberta. 48(2), 417-425.
1991
Bork, A. M., Strobeck C. M., Yeh F. C., Hudson R. J., & Salmon R. K. (1991).  Genetic relationship of wood and plains bison based on restriction fragment length polymorphisms. 69(1), 43-48.
1985
Nietfeld, M., & Hudson R. J. (1985).  Foraging ecology of wapiti in the boreal mixed-wood forest, central Alberta. p131.
1981
Tomm, H. G., Beck J. J. A., & Hudson R. J. (1981).  Responses of wild ungulates to logging practices in Alberta. 11, 606-614. Abstract
1980
Chappel, R. W., & Hudson R. J. (1980).  Prediction of energy expenditures by Rocky Mountain bighorn sheep. 58(11), 1908-1912.
1979
Chappel, R. W., & Hudson R. J. (1979).  Energy costs of standing in Rocky Mountain bighorn sheep. 43(1), 261-263.
1978
Hudson, R. J. (1978).  Cold hardiness of some adult mosquitoes in central Alberta. 56, 1697-1709.
Chappel, R. W., & Hudson R. J. (1978).  Energy costs of feeding in Rocky Mountain sheep. 23(21), 359-363.
Chappel, R. W., & Hudson R. J. (1978).  Prediction of energy expenditures by Rocky Mountain bighorn sheep. 388-406.
Chappel, R. W., & Hudson R. J. (1978).  Winter bioenergetics of Rocky Mountain bighorn sheep. 56(11), 2388-2383.
1977
Stelfox, J. G., Hudson R. J., & Anderka F. W. (1977).  Techniques for marking, tagging and radio collaring bison. Section G. In : Wood Buffalo National Park bison research : 1977 annual report, J. G. Stelfox, compiler.
1976
Hudson, R. J., & Stelfox J. G. (1976).  Population and diseases of bighorn sheep of the Canadian Rockies : a system dynamics approach. Presented at Northern Wild Sheep Conference. 13.
1975
Hudson, R. J. (1975).  Lymphid cell adherence in Protostrongylus (Nematoda: Metastrongyloidea) infections of Rocky Mountain bighorn sheep. 53(4), 391-394.
1973
Hudson, R. J. (1973).  Stress and in vitro lymphocyte stimulation by phytohemagglutinin in Rocky Mountain bighorn sheep. 51(5), 479-482.
1972
Hudson, R. J. (1972).  Stress-induced immunologic impairment in Rocky Mountain bighorn sheep. 31-34.
1970
Hudson, R. J. (1970).  Immunology of lungworm (Protostrongylus) infections of Rocky Mountain bighorn sheep.

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