https://verfassungsblog.de/melonis-illiberal-anti-rave-law/
https://www.lobbying.ie/media/6072/regulation-of-lobbying-annual-report-2016-final-web.pdf
http://www.europarl.europa.eu/sides/getDoc.do?pubRef=-%2f%2fEP%2f%2fNONSGML%2bCOMPARL%2bPE-627.625%2b01%2bDOC%2bPDF%2bV0%2f%2fEN