Jachimowski M, Guzek D. Doktor hab. Marian Gierula, prof. UŚ 11 VIII 1955 – 21 IV 2020. SPUS [Internet]. 16cze.2020 [cytowane 1maj2024];29:7-. Available from: https://journals.us.edu.pl/index.php/SPUS/article/view/9138