1. Arvanitis A (2011) Geothermal activities in Greece. International Trade Fair Energy 2011, Renewable Energy Industry and Export Forum, Hanover, Germany, 4–8 Apr 2011
2. Central Intelligence Agency [n.d. (a)] The world factbook—Europe: Greece.
https://www.cia.gov/library/publications/the-world-factbook/geos/print_gr.html
. Accessed June 2017
3. Central Intelligence Agency [n.d. (b)] The world factbook –GDP—Composition, by sector of origin.
https://www.cia.gov/library/publications/the-world-factbook/fields/2012.html
. Accessed June 2017
4. Dimitriou A, Pimenidis D (2015) Local authorities’ views and attitudes on sustainable energy policy: the case of mayors of Rhodes Island, Greece (2010–2014). Int J Env Protect Pol 3(2):20–30
5. European Association for Coal and Lignite aisbl (EURACOAL) (2016) EURACOAL Statistics—Coal in Europe 2016.
https://euracoal.eu/info/euracoal-eu-statistics/
. Accessed June 2017