https://theconversation.com/eu-citizens-proposal-a-lawyer-examines-the-detail-80111
http://www.europarl.europa.eu/RegData/etudes/IDAN/2017/599352/EPRS_IDA%282017%29599352_EN.pdf
http://www.assemblee-nationale.fr/14/pdf/rap-info/i4485.pdf
https://www.theguardian.com/environment/2017/jul/19/uk-threatens-to-return-radioactive-waste-to-eu-without-nuclear-deal