Mau, Steffen, Sonja Wrobel, Jan Kamlage, and Till Kathmann. “Territoriality, Border Controls and the Mobility of Persons in a Globalised World”. Comparativ 17, no. 4 (May 1, 2017): 16-36. Accessed October 13, 2019. https://www.comparativ.net/v2/article/view/127.