1. 639 final, energy 2020. A strategy for competitive, sustainable and secure energy {SEC (2010) 1364};EC – European Commission. COM,2010
2. 1346 final, commission staff working document, state of play in the EU energy policy;EC – European Commission. SEC,2010
3. Environmental effects of energy policy in Sicily: the role of renewable energy;Beccali;Renewable and Sustainable Energy Reviews,2007
4. Energy and environmental benefits in public buildings as a result of retrofit actions;Ardente;Renewable and Sustainable Energy Reviews,2011
5. 1729, a lead market initiative for Europe. Action plan for sustainable construction, annex I;EC – European Commission. SEC,2007