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Filtering by: Contributor Vaughan, E. K. Remove constraint Contributor: Vaughan, E. K. Creator Oregon State University. Agricultural Experiment Station Remove constraint Creator: Oregon State University. Agricultural Experiment Station Decade 1960-1969 Remove constraint Decade: 1960-1969 Non-Academic Affiliation Oregon State University. Agricultural Experiment Station Remove constraint Non-Academic Affiliation: Oregon State University. Agricultural Experiment Station

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