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2. National Research Council Committee on the Effects of Herbicides in Vietnam. The Effects of Herbicides in South Vietnam. Part A. Summary and Conclusions (National Academy of Sciences Press, Washington DC, 1974)
3. Data Management Agency, US MACV. Herbicide Report System (HERBS). Document No. DARU07 (US Military Assistance Command Vietnam, San Francisco, 1970)
4. Heizer, J. R. Data Quality Analysis of the HERB 01 Data File. No. MTR-5105 (The Mitre Corporation, Washington DC, 21 April 1971).
5. Wiersma, G. B. Ecological Impact of Antiplant Agents and Implications for Future Use. Report No. ACN 16223 (US Army Combat Developments Command, Institute of Land Combat, Fort Belvoir, VA, July 1970)