Arrubla Arango, Felipe, y Sergio Esteban Silva Sánchez. 2021. «Geology of the Frontino-Morrogacho Gold Mining District and Metallogeny of the El Cerro Igneous Complex». Boletín Geológico 48 (1):7-47. https://doi.org/10.32685/0120-1425/bol.geol.48.1.2021.500.