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By: Van Der Zwet, Tom - Beer, S. V. (Steven V.) - United States. Agricultural Research Service. - Cornell UniversityEdition: [Slightly rev. June 1999].Publication info: Washington, DC, U.S. Dept. of Agriculture, [1999]Volume: no.631Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: