A Proposed Approach to PR 70-15 Guidelines

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Citation

Goring, C. A. I., J. W. Hamaker, and D. A. Laskowski. 1973. “A Proposed Approach to PR 70-15 Guidelines.” Special Collections, USDA National Agricultural Library. Accessed April 24, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/2316.