Szewczyk, Adam2024-01-142024-01-142022-12Warstwy Nr 5 (2022), s. 152-1532544-4824https://repozytorium.ur.edu.pl/handle/item/9676polAttribution-NonCommercial-NoDerivs 3.0 Polandhttp://creativecommons.org/licenses/by-nc-nd/3.0/pl/article