Citation
Blackman, Geoffrey E. et al.. 1974. “The Effects of Herbicides in South Vietnam: Part B, Working Papers, February 1974: Persistence and Disappearance of Herbicides in Tropical Soils.” Special Collections, USDA National Agricultural Library. Accessed January 15, 2026, https://www.nal.usda.gov/exhibits/speccoll/items/show/1244.
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