Aspen, Elk, and Fire: The Effects of Human Institutions on ...pages.geo.wvu.edu/~ahessl/document...
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Aspen, Elk, and Fire: The Effects of Human Institutions on ...pages.geo.wvu.edu/~ahessl/document files/Hessl 2002 BioScience.pdfAspen, Elk, and Fire: The Effects of Human Institutions