1. [IEA] – International Energy Agency, 2015. World Energy Outlook 2015. IEA, Paris.
2. [EWG] - Energy Watch Group, 2013. Fossil and Nuclear Fuels – the Supply Outlook, EWG, Berlin, www.energywatchgroup.org.
3. [IPCC] – Intergovernmental Panel on Climate Change, 2014. Climate Change 2015: Synthesis Report – Summary for Policymakers, IPCC, Geneva, www.ipcc.ch.
4. Carbon Tracker, 2013. Unburnable Carbon 2013: Wasted capital and stranded assets, London, www.carbontracker.org.
5. Carbon Tracker, 2015. Carbon Asset Risk: From Rhetoric to Action, London, www.carbontracker.org.