Debajyoti Roy, Priyadarsi, Ofelia Morton-Bermea, Elizabeth Hernández-Álvarez, Teresa Pi Puig, y Rufino Lozano Santa Cruz. «Rare Earth Element Geochemistry of the Late Quaternary Tephra and Volcano-Clastic Sediments from the Pachuca Sub-Basin, North-Eastern Basin of Mexico». Geofísica Internacional 49, no. 1 (enero 1, 2010): 3–15. Accedido mayo 17, 2024. http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/288.