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Reduction of Pear Rots in Oregon by the Use of a Chemical Wash

Jess Reuben KienholzReginald Heber RobinsonElliott Sanford Degman

出版	Agricultural Experiment Station, Oregon State College, 1949
URL	http://books.google.com.hk/books?id=H_4sygAACAAJ&hl=&source=gbs_api