Die Verwaltung, Vol. 51 (2018), Iss. 2 : pp. 227–263
German Yearbook of International Law, Vol. 61 (2018), Iss. 1 : pp. 377–401
Die Verwaltung, Vol. 51 (2018), Iss. 2 : pp. 265–300
Die Verwaltung, Vol. 43 (2010), Iss. 3 : pp. 309–347