Silva-Mora, L. (2019) “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, 14(1), pp. 50–77. Available at: https://www.rmcg.unam.mx/index.php/rmcg/article/view/1126 (Accessed: 2 May 2025).