1. EU, EUROPE 2020 – a strategy for smart, sustainable and inclusive growth; 2010.
2. EUROSTAT, Energy – yearly statistics 2008, 2008.
3. A review on buildings energy consumption information;Pérez-Lombard;Energy Build,2008
4. Claridge DE, Liu M, Zhu Y, Abbas M, Athar A, Haberl JS. Can you achieve 150 percent predicted retrofit savings: is it time for recommissioning? In: American council for an energy efficient economy. Washington (DC), USA; 1996. p. 73–88.
5. Building EQ – intelligize your energy management: homepage; 2009.