@incollection{2022:bast:chapter_2_, title = {Chapter 2 – Ensuring Liberty and Freedom of Movement}, year = {2022}, note = {}, booktitle = {Human Rights Challenges to European Migration Policy}, pages = {64--113}, edition = {}, author = {Bast, Jürgen}, publisher = {Nomos}, address = {Baden-Baden}, series = {Schriften zum Migrationsrecht}, volume = {36} }