1. Sales and atmospheric release of fluorocarbons through 1992;AFEAS (Alternative Fluorocarbons Environmental Acceptability Study),1993
2. Energy and global warning impacts of CFC alternative technologies;Fischer,1991
3. Gamlen, P.H.; Lane, B.C.; Midgley, P.M.; Steed, J.M. The production and release to the atmosphere of CFCl3 and Cl2Cl2 (chlorofluorocarbons CFC-11 and CFC-12). Atmos. Environ. 20: 1077–1085.
4. Not-in-kind ODS alternatives: how big a role will they play?;GECR (Global Environmental Change Report),1993
5. Radioactive forcing of climate;IPCC (Intergovernmental Panel on Climate Change),1990