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Granville Wilt and Black Shank Resistant Tobacco Varieties

Ermer Leon MooreG. B. LucasNorth Carolina Agricultural Experiment StationEdward Eastman Clayton

出版	Agricultural Experiment Station, N.C. State College, 1952
URL	http://books.google.com.hk/books?id=cYEvUahOniAC&hl=&source=gbs_api