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Technical Bulletin

Gene David WillsGeorge L. SwitzerGordon Louis AndrewsJack Watson HaynesMark E. KeenumStan R. Spurlock

出版	Mississippi Agricultural & Forestry Experiment Station, 1988
URL	http://books.google.com.hk/books?id=qMVQAQAAMAAJ&hl=&source=gbs_api