Responses to Penta Questionnaires sent out by Dr. Roy Ing, March 1981

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Citation

Unknown. “Responses to Penta Questionnaires sent out by Dr. Roy Ing, March 1981.” Special Collections, USDA National Agricultural Library. Accessed September 1, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/5946.