Pérez-Segura, Efrén, Alain Cheilletz, Saúl Herrera-Urbina, and Y. J. Hanes. 2019. “Geology, Mineralization, Hydrotherinal Alteration Asid Age of the San Francisco Gold Deposit, Sonora­a Mesothermal Ore Deposit in Northwestern Mexico”. Revista Mexicana De Ciencias Geológicas 13 (1):65-89. https://www.rmcg.unam.mx/index.php/rmcg/article/view/1139.