F. Ortega-Gutiérrez, B. M. Martiny, D. J. Morán-Zenteno, A. M. Reyes-Salas, and J. Solé-Viñas, “Petrology of very high temperature crustal xenoliths in the Puente Negro intrusion: a sapphire-spinel-bearing Oligocene andesite, Mixteco terrane, southern Mexico”, revmexcg, vol. 28, no. 3, Feb. 2014.