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Distribution and Structure of the Forests of Eastern Nebraska

Charles LindsayEdgar Nathaniel JohnsonHelen Heather BlishJohn Mulvaney AikmanLeonard George WorleyGayle Benjamin Pickwell

出版	The University, 1926
URL	http://books.google.com.hk/books?id=dYAg5Vea-lEC&hl=&source=gbs_api