1. UNFCCC. United Nations framework convention on climate change. New York: United Nations; 1992.
2. UNFCCC. Kyoto protocol to the United Nations framework convention on climate change. Bonn, Germany: Climate Change Secretariat; 1997.
3. The energy–climate challenge: recent trends in CO2 emissions from fuel combustion;Quadrelli;Energy Policy,2007
4. Beyond Kyoto: advancing the international effort against climate change;Aldy,2003
5. International climate efforts beyond 2012: a survey of approaches;Bodansky,2004