https://chemsec.org/open-letter-to-the-commission-regarding-transparency/
https://www.socialeurope.eu/becoming-like-germany-hurdles-and-dilemmas
http://countryeconomy.com/ratings
https://www.lobbycontrol.de/lobbyismus-und-klima/pipelines-in-die-politik-neue-studie-ueber-die-macht-der-gaslobby-106772/