1. BfG, 2011. German Federal Institute of Hydrology, 〈http://www.bafg.de〉. Accessed July 2011.
2. Introduction to Energy Analysis;Blok,2007
3. Effects of North-African electricity import on the European and the Italian power systems: a techno-economic analysis;Brancucci Martínez-Anido;Electric Power Systems Research,2013
4. Bruynooghe, C., Eriksson, A., Fulli, G., 2010. Load-following Operating Mode at Nuclear Power Plants (NPPs) and Incidence on Operation and Maintenance (O&M) Costs. Compatibility with Wind Power Variability. JRC Scientific and Technical Report. Accessed April 2011.
5. DECC, 2011. UK Department of Energy and Climate Change, statistics, 〈http://www.decc.gov.uk/en/content/cms/statistics/energy_stats/source/electricity/electricity.aspx〉. Accessed July 2011.