RAŹNIAK, M. A Diachronic Approach to Criteria of Existence in Empirical Sciences. Roczniki Filozoficzne, [S. l.], v. 73, n. 3, p. 353–384, 2025. DOI: 10.18290/rf25733.18. Disponível em: https://czasopisma.tnkul.pl/index.php/rf/article/view/1547. Acesso em: 30 oct. 2025.