
https://static1.squarespace.com/static/5a70a7c3010027736a22740f/t/5b5ecb23352f53124f920dc5/1532939059607/Italy+IT+Final_Digital.pdf

http://www.ecreu.com/pdfs/alternative-white-paper-presented-by-UK-%20citizens-in-europe.pdf

http://oegfe.at/wordpress/2017/05/the-free-movement-of-workers-within-the-eu-and-the-case-of-austria-balancing-distortions-and-adding-value-op-ed-paul-schmidt-the-european-financial-review/