ALMAZÁN-VÁZQUEZ, Emilio; BUITRÓN-SÁNCHEZ, Blanca E.; FRANCO-VEGA, Oscar. Pozo Nuevo Formation: a new lithostratigraphic shelf sequence of early Ordovician age in central Sonora, Mexico. Revista Mexicana de Ciencias Geológicas, [S. l.], v. 23, n. 1, p. 23–38, 2018. Disponível em: https://www.rmcg.unam.mx/index.php/rmcg/article/view/763. Acesso em: 4 may. 2025.