“Ujednolicenie Prawa W Ramach RWPG I EWG I wpływ Tego Procesu Na Handel między Wschodem a Zachodem: [Unification of Law Within the CMEA and ECM and Influence of This Process on Trade Between the East and West]”. Studia Prawnicze / The Legal Studies, no. 2 (76) (April 30, 1983): 157–165. Accessed October 6, 2025. https://czasopisma.inp.pan.pl/index.php/sp/article/view/2893.