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Pheasant Population Fluctuations on an Area of Medium to Low Productivity in Scio Township, Washtenaw County, Michigan

其他書名	Thesis Submitted in Partial Requirement for the Degree of Master of Science in Forestry ...
出版	University of Michigan, 1949
URL	http://books.google.com.hk/books?id=kOBncJ-YM0YC&hl=&source=gbs_api