Madhavaraju, J. et al. 2018. Paleoclimate, paleoweathering and paleoredox conditions of Lower Cretaceous shales from the Mural limestone, Tuape section, northern Sonora, Mexico: Constraints from clay mineralogy and geochemistry. Revista Mexicana de Ciencias Geológicas. 33, 1 (Jan. 2018), 34–48. DOI:https://doi.org/10.22201/cgeo.20072902e.2016.1.557.