Referencias

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http://www.theozonehole.com/nasa0ct2008.htm Fecha de consulta: 31-08-2009.

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UNEP.  Production and Consumption of Ozone Depleting Substances under the Montreal Protocol 1986 – 2004. Ozone Secretariat. UNEP. Kenya. 2005.

Semarnat. Subsecretaría de Gestión para la Protección Ambiental. Unidad Protectora de la Capa de Ozono. México. 2009.

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WMO, NOAA, NASA, UNEP y European Commission. Scientific Assessment of Ozone Depletion: 2006. Global Ozone Research and Monitoring Project—Report No. 50. Switzerland. 2007.