1. Agencia Portuguesa do Ambiente, 2006a. http://www.apambiente.pt/politicasambiente/Ar/InventarioNacional/Paginas/default.aspx.
2. National program for climate change — Programa Nacional para as Alterações Climáticas;Agencia Portuguesa do Ambiente,2006
3. Fourth National Communication to the United Nations Framework Convention on Climate Change: First national Communication in the context of the kyoto Protocol. Amadora. 2006;Agencia Portuguesa do Ambiente,2006
4. The relationship between energy consumption, energy prices and economic growth: time series evidence from Asian developing countries;Asafu-Adjaye;Energy Economics,2000
5. Testing for and dating common breaks in multivariate time series;Bai;Review of Economic Studies,1998