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A Western Study of Cougar Track Surveys and Environmental Disturbances Affecting Cougars Related to the Status of the Eastern Cougar, Felis Concolor Couguar

Fred Van Dyke

出版	State University of New York. College of Environmental Science and Forestry, 1983
URL	http://books.google.com.hk/books?id=c9YyPwAACAAJ&hl=&source=gbs_api