“Individual and Collective Identity: Factual Givens and Their Legal Reflection in International Law. Words in Commemoration of Krzysztof Skubiszewski”. Polish Yearbook of International Law 37 (December 31, 2017): 11–34. Accessed October 3, 2025. https://czasopisma.inp.pan.pl/index.php/pyil/article/view/2404.