GŁÓDŹ, M. Philosophical Problems in Science for the fiftieth time. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 50, p. 3–9, 2012. Disponível em: https://zfn.edu.pl/index.php/zfn/article/view/98. Acesso em: 24 jan. 2022.