1. Manual for Statistics on Energy Consumption in Households. Available from: http://epp.eurostat.ec.europa.eu/cache/ITY_OFFPUB/KS-GQ-13-003/EN/KS-GQ-13-003-EN.PDF.
2. Pathways to a Clean Energy System,2012
3. EnergyPlus Energy Simulation Software,2014
4. TRNSYS: Transient System Simulation Tool,2014
5. The QUick Energy Simulation Tool, James J. Hirsch & Associates, Camarillo, CA, USA (p. DOE-2 Based Software).