LEBEUF, A. The origin of the Tzolkin and the Long Count: Hans Ludendorff was right. Przegląd Archeologiczny, [S. l.], v. 68, p. 5–16, 2020. DOI: 10.23858/PA68.2020.001. Disponível em: https://journals.iaepan.pl/pa/article/view/2432. Acesso em: 23 kwi. 2024.