1. Halocarbons: Effects on Stratospheric Ozone, Panel on Atmospheric Chemistr National Academy of Sciences, September 13, 1976.
2. Halocarbons: Environmental Effects of Chlorofluoromethane Release, Committ on Impacts of Stratospheric Change, National Academy of Sciences, September 13, 1976.
3. Ref. 1, p. F-1a.
4. Ref. 2, pp. 1–3, 4.
5. Ref. 2, p. 5–12