1. European Commission. An energy policy for Europe, 2007. Retrieved March 18, 2008. http://EU.europa.eu/energy/energy_policy/documents_en.htm.
2. European Commission. A European strategic energy technology plan – towards a low carbon future, 2007. Retrieved March 18, 2008. http://EU.europa.eu/energy/res/setplan.
3. Klemeš J, Bulatov I, Koppejan J. Novel energy saving technologies evaluation tool. Computers and Chemical Engineering 2008, doi:10.1016/j.compchemeng.2008.07.005.
4. EMINENT accelerates market introduction of promising early stage technologies for transport and energy;Jansen;Chemical Engineering Transactions,2004
5. HOMER – The optimisation model for distributed power. Accessed on January 30, 2008. http://www.nrel.gov/homer.