1. Reflection Paper - towards a Sustainable Europe by 2030;European Commission,2019
2. A European Strategic Energy Technology Plan (SET Plan) - towards a Low Carbon Future;European Commission,2007
3. The integrated strategic energy technology (SET) plan for transforming the European energy system through innovation;European Commission;Integr. SET Plan Prog.,2016
4. Energy and Climate Change - World Energy Outlook Special Report;IEA - International Energy Agency,2015