1. AFEAS (Alternative Fluorocarbons Environmetal Acceptability Study) (2001) Production, Sales and Atmospheric Release of Fluorocarbons Through 2000. Arlington, Va. (see www.afeas.org).
2. AFEAS (2006), http://www.afeas.org/ (accessed on August 2006).
3. ALEGAGE (2006), http://www.cdiac.ornl.gov/ndps/alegage.html (accessed on August 2006).
4. Unusual stratospheric transport and mixing during the 2002 Antarctic winter;Allen;Geophys. Res. Lett.,2003
5. Long term changes in HCL and HF as abserved by HALOE;Anderson,2004