Garrison Jr., James R. “Reinterpretation of Isotopic Age Data from the Granjeno Schist, Ciudad Victoria, Tamaulipas”. Revista Mexicana de Ciencias Geológicas 2, no. 1 (April 30, 2019): 87–89. Accessed April 28, 2025. https://rmcg.unam.mx/index.php/rmcg/article/view/1472.