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3. Gradients in silicic magma chambers: implications for lithospheric magmatism;Hildreth;J. Geophys. Res.,1981
4. Mineralogy and petrology of ejecta from the March-April 1982 eruptions of El Chichon Volcano, Chiapas, Mexico;Luhr;Trans. Am. Geophys. Union,1982
5. Geologia petrolera de la Sierra de Chiapas;Montes de Oca;Asoc. Mex. Geol. Petrol. Bol.,1979