POLAK, P. Sprawozdanie za rok 2006. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 41, p. 144–146, 2007. Disponível em: https://zfn.edu.pl/index.php/zfn/article/view/271. Acesso em: 6 dec. 2022.