https://www.frontier-economics.com/media/5550/a-wholesale-gas-price-cap-in-europe.pdf
https://www.socialeurope.eu/away-oil-new-approach
https://cerre.eu/wp-content/uploads/2022/12/DMA_Institutions_and_Procedures.pdf
https://www.lobbycontrol.de/lobbyismus-und-klima/pipelines-in-die-politik-neue-studie-ueber-die-macht-der-gaslobby-106772/