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Citation
Unknown. 1989. “Dioxins in the Environment: Report of an Interdepartmental Working Group on polychlorinated dibenzo-para-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs).” Special Collections, USDA National Agricultural Library. Accessed August 28, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/6274.