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 September 12, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/1244.