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Year of the Great Bear
Robert W. Sandford
其他書名
Celebrating the Bear and the Role it Plays as an Indicator of Ecosystem Health in the Mountain West
出版Robert William Sandford, 2001
ISBN09698954379780969895435
URLhttp://books.google.com.hk/books?id=Hyx40AEACAAJ&hl=&source=gbs_api
註釋Celebrating bear and the role it plays as an indicator of ecosystem health in the mountain west.