http://www.unhcr.org/4963237411.pdf
http://uk.reuters.com/article/uk-britain-eu-immigration-idUKKBN18L0XG
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/741926/Final_EEA_report.PDF
https://theconversation.com/how-european-academics-are-feeling-about-life-in-britain-a-year-after-brexit-vote-78687