Lebeuf, Arnold. “Relationship Between the 11-Ozomatli of the Temple of the Feathered Serpent of Xochicalco and the Feathered Serpent of Xochicalco and the Central Eclipse of the 11-Chuen of My Reconstruction for the Origin of the Long Count”. Estudios Latinoamericanos 420 (March 20, 2023): 219-230. Accessed April 20, 2024. https://estudioslatinoamericanos.pl/index.php/estudios/article/view/403.