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The Chemical Composition of Representative Grades of the 1951 and 1952 Crops of Burley Tobacco Including Chemical Methods
Max PhillipsAubrey M. Bacot
出版U.S. Department of Agriculture, 1958
URLhttp://books.google.com.hk/books?id=EvmG0t0_wTcC&hl=&source=gbs_api
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