Macías, J.L., Capaccioni, B., Conticelli, S., Giannini, L., Martini, M. y Rodríguez, S. 1993. Volatile elements in alkaline and calc-alkaline rocks from the Colima graben, Mexico: Constrains on their genesis and evolution. Geofísica Internacional. 32, 4 (oct. 1993), 575–589. DOI:https://doi.org/10.22201/igeof.00167169p.1993.32.4.604.