Conference on the scientific output of Czesław Znamierowski (1888-1967): (Poznań, February 25, 1989). CC&EEL [Internet]. 1990 Dec. 31 [cited 2025 Oct. 6];(1(85):84-6. Available from: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1295