HennigB.BallasD. (2020) Population Density, Wealth, and Refugee Flows: New Perspectives of the Quality of Nationality Index. In KochenovD.LindeboomJ. (eds.), Kälin and Kochenov’s Quality of Nationality Index: An objective ranking of nationalities of the world. Oxford Hart Publishing. pp. 146-153.
2.
KochenovD (2019), Citizenship, MIT Press, Cambridge, MA
3.
ShacharA (2009), The Birthright Lottery: Citizenship and Global Inequality, Harvard University Press, Cambridge, MA
