1. B. Boardman, T. Fawcett, K. Lane, K. Blok, M. Brummelen, K. Eising, T. Almeida Anı́bal, C. Nunes, J. Mariano, CADENCE—CArbon dioxide from Domestic equipment: ENd-use efficiency and Consumer Education (CADENCE), SAVE contract no. XVII/4.1031/Z/97-181, European Commission, Brussels, Belgium, 1999.
2. T. Almeida Anı́bal, Ana Lopes, Anabela Carvalho, J. Mariano, A. Jahn, M. Broege, G. Gangas, D. Gidarokosta, Natural gas integrated resource planning, SAVE contract no. XVII/4.1031/Z/98-055, European Commission, Brussels, Belgium, 2000.
3. Ministry of the Environment. PNAC—National Climate Change Programme (in Portuguese). Version 2001 for public discussion, Ministry of the Environment, Climate Change Commission, Lisbon, Portugal, 2001.
4. EDP (Electric Portuguese Utility), Characterization of the energy consumption in the residential sector (in Portuguese), CCE (Energy Conservation Agency), EDP—Electricidade de Portugal, S.A., Lisbon, Portugal, 1994.
5. EDP (Electric Portuguese Utility). Monitoring the energy consumption in the residential sector (in Portuguese), CCE (Energy Conservation Agency), EDP—Electricidade de Portugal, S.A., Lisbon, Portugal, 1996.