
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/

https://www.esri.ie/system/files/publications/RS158_0.pdf

https://www.migrationpolicy.org/news/eu-pact-migration-asylum-bold-move-avoid-abyss