Omaña, L., González-Arreola, C., & Ramírez-Garza, B. M. (2018). Barremian planktonic foraminiferal events correlated with the ammonite zones from the San Lucas Formation, Michoacán (SW Mexico). Revista Mexicana De Ciencias Geológicas, 22(1), 88–96. Retrieved from https://rmcg.unam.mx/index.php/rmcg/article/view/875