OBOLEVITCH, T. Homo Sapiens czy Animal Rationale?. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), [S. l.], n. 41, p. 138–143, 2007. Disponível em: https://zfn.edu.pl/index.php/zfn/article/view/270. Acesso em: 6 dec. 2022.