1. 2002. E C (: Amended Proposal for a Directive of the European Parliament and the Council on the energy performance of buildings, COM(2002) 192 final, 16 April 2002.
2. 2001. European Commission, 2001. Proposal for a Directive of the European Parliament and the Council on the Energy Performance of Buildings, COM (226 final.
3. HELP (house energy labeling procedure): methodology and present results
4. Development of an energy rating system for existing houses
5. 2001. 53 Lithuanian Republic Ministry of Economy. National Programme of energy use efficiency increasing. Vilnius, (short version).