Ortega-Obregón, Carlos, Fanis Abdullin, Luigi Solari, Peter Schaaf, and Gabriela Solís-Pichardo. 2019. “Apatite U-Pb Dating at UNAM Laboratories: Analytical Protocols and Examples of Its Application”. Revista Mexicana De Ciencias Geológicas 36 (1):27-37. https://doi.org/10.22201/cgeo.20072902e.2019.1.749.