1. European Union, Directive 2002/91/EC of the European Parliament and of the Council of December 16th 2002 on the energy performances of buildings, Official Journal of the European Communities, January 2003.
2. HELP (house energy labeling procedure): methodology and present results;Richalet;Energy and Buildings,2001
3. Experimental estimation of building energy performance by robust regression;Ghiaus;Energy and Buildings,2006
4. H. Van Dijk, M. Antinucci (Eds.), The PASSYS project phase 1, Subgroup test methodologies final report, 1986–1989, Commission of the European Communities, Directorate General XII for Science, Research and Development, Brussels, EUR 13122 EN, 1990.
5. H. Van Dijk (Ed.), Development of the PASSYS test method, Research report subgroup test methodologies, Commission of the European Communities, Directorate General XII for Science, Research and Development, Brussels, EUR 15114 EN, 1993.