Weber, Bodo, Peter Schaaf, Victor A. Valencia, Alexander Iriondo, and Fernando Ortega-Gutiérrez. 2018. “Provenance Ages of Late Paleozoic Sandstones (Santa Rosa Formation) from the Maya Block, SE Mexico. Implications on the Tectonic Evolution of Western Pangea”. Revista Mexicana De Ciencias Geológicas 23 (3):262-76. https://rmcg.unam.mx/index.php/rmcg/article/view/816.