“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]”, SP, no. 2 (76), pp. 157–165, Apr. 1983, doi: 10.37232/sp.1983.2.6.