ŠPRAJC, Ivan. Zenith and Nadir Passages of the Sun in Mesoamerica. Journal of Skyscape Archaeology, [S. l.], v. 4, n. 1, p. 108–117, 2018. DOI: 10.1558/jsa.36092. Disponível em: https://journal.equinoxpub.com/JSA/article/view/10678. Acesso em: 30 dec. 2024.