General principles of law of the Polish People's Republic / editor-in-chief Leon Kurowski ; translators: Marek Gołębiowski, Witold Kmiecik, Beata Krupska, Anna Równy, Alina Sarnacka ; University of Warsaw. Faculty of Law and Administration. - Kurowski, Leon (1907-1998); Gołębiowski, Marek (1944- ).; Kmiecik, Witold Michael ( -2015); Krupska, Beata (tłumacz); Równy, Anna; Sarnacka, Alina (Polish Scientific Publishers, 1984)