WOLAK, Z. Scientific philosophy of the Cracow Circle. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 36, p. 97–122, 2005. Disponível em: https://www.zfn.edu.pl/index.php/zfn/article/view/348. Acesso em: 7 may. 2025.