Doehring, Karl, &quot; Aliens, Expulsion and Deportation &quot; , in Rudolf Bernhardt (dir.), Encyclopedia of Public International Law, 1990, Amsterdam, Elsevier Science Publishers, vol. 1, 1992, pp. 109-112.
Doehring, Karl, &quot; Aliens, Expulsion and Deportation &quot; , in Rudolf Bernhardt (dir.), Encyclopedia of Public International Law, 1990, Amsterdam, Elsevier Science Publishers, vol. 1, 1992, pp. 109-112.