OWEN, N. K. On the Reconstruction of Calendarical Sections on the Mayan Codices. Estudios de Cultura Maya, México, Mexico, v. 8, 2012. DOI: 10.19130/iifl.ecm.1972.8.335. Disponível em: https://revistas-filologicas.unam.mx/estudios-cultura-maya/index.php/ecm/article/view/335. Acesso em: 15 mar. 2025.