http://www.diw.de/documents/publikationen/73/diw_01.c.562050.de/17-29.pdf
https://transparency.eu/burning-candle-mep-income/
http://ec.europa.eu/anti-fraud/media-corner/news/31-05-2017/olaf-2016-leading-way-combatting-fraud-through-large-transnational_en
https://www.socialeurope.eu/the-afd-can-win-on-an-extremist-platform