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Percent Utilization of Vegetation in Grand Teton National Park, the National Elk Refuge and the Gros Ventre Area of Bridger Teton National Forest

Victoria Steele

出版	Colorado State University, Natural Resource Ecology Lab., 1998
URL	http://books.google.com.hk/books?id=DexMygEACAAJ&hl=&source=gbs_api