1. The Intergovernmental Panel on Climate Change, Climate Change 2007: Synthesis Report, Summary for Policymakers, IPCC Fourth Assessment Report, IPCC, Geneva, Switzerland, 2007
2. Commission of the European Communities, Communication from the commission to the council, the European parliament, the European economic and social committee and the committee of the regions. Limiting global climate change to 2 degree celsius. The way ahead for 2020 and beyond, Brussels, 10.1.2007, COM(2007) 2 final, EU, Brussels, Belgium
3. The Intergovernmental Panel on Climate Change, IPCC Fourth Assessment Report, Working Group III, IPCC, Geneva, Switzerland, 2007
4. International Energy Agency, Energy Technology Perspectives 2008, Scenarios and Strategies to 2050, OECD/IEA, Paris, France, 2008
5. R. Loulou, U. Remme, A. Kanudia, A. Lehtilä, Goldstein, ETSAP-TIAM: The TIMES integrated assessment model, Part I: The model structure, IEA/ETSAP, 2005. Available in: http://www.etsap.org/documentation.org