http://www.bertelsmann-stiftung.de/fileadmin/files/Projekte/Migration_fair_gestalten/IB_Study_MixedMigration2017_ENG.pdf
https://www.fragomen.com/file/scottishfuturespdf
https://theconversation.com/criminals-terrorists-and-freeloaders-how-migrants-are-portrayed-in-the-european-media-208524