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Relation of the Barberry to Stem Rust in Iowa

Irving E. MelhusRobert Stearns KirbyLawrence Wood Durrell

出版	Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts, 1920
URL	http://books.google.com.hk/books?id=XYYkAQAAMAAJ&hl=&source=gbs_api