“Symposium Scientifique International Sur Les Moyens De Droit Civil De Protection De La qualitè, Cracovie, 29 IX - 4 X 1980”. Contemporary Central & East European Law, no. 3-4(47-48) (December 31, 1980): 98–100. Accessed October 6, 2025. https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1822.