Xu, Shunshan, Ángel Francisco Nieto-Samaniego, Susana Alicia Alaniz-Álvarez, and Luis Mariano Cerca-Martínez. 2014. “Structural Analysis of a Relay Ramp in the Querétaro Graben, Central Mexico: Implications for Relay Ramp Development”. Revista Mexicana De Ciencias Geológicas 28 (2). https://rmcg.unam.mx/index.php/rmcg/article/view/204.