http://www.europarl.europa.eu/RegData/etudes/STUD/2017/602028/IPOL_STU(2017)602028_EN.pdf
http://blogs.lse.ac.uk/brexit/2018/05/25/what-are-the-legal-aspects-of-packing-the-lords-with-brexit-friendly-peers/
http://www.fdf.org.uk/news.aspx?article=8062
http://www.ecfr.eu/article/commentary_the_brexit_threat_to_britains_defence_industry