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The Wisconsin Nursery and Orchard Inspection Service, 1910-1912
Andrew Robeson Whitson
Edmond Joseph Delwiche
Edward Richard Jones
Edwin Bret Hart
Fritz Wilhelm Woll
Harry Luman Russell
James Garfield Milward
James Glossbrenner Sanders
John Lawless Tormey
Roy T. Harris
出版
University of Wisconsin, Agricultural Experiment Station
, 1912
URL
http://books.google.com.hk/books?id=QcVKAQAAMAAJ&hl=&source=gbs_api