SILVA-MORA, Luis. Volcanic geology and preliminary chemical character of the rocks of the Tula-Polotitlán region, states of Hidalgo, Mexico and Querétaro, México. Revista Mexicana de Ciencias Geológicas, [S. l.], v. 14, n. 1, p. 50–77, 2019. Disponível em: https://rmcg.unam.mx/index.php/rmcg/article/view/1126. Acesso em: 20 apr. 2025.