
http://www.europarl.europa.eu/RegData/etudes/IDAN/2017/599352/EPRS_IDA%282017%29599352_EN.pdf

https://ukandeu.ac.uk/regardless-of-our-views-on-brexit-we-can-all-get-behind-the-idea-of-supporting-the-uks-innovators/?mc_cid=50b7d10115&mc_eid=815b1928ec

https://www.gov.uk/guidance/status-of-eu-nationals-in-the-uk-what-you-need-to-know