Ponce, I., Mcnally, K.C., Sumin De Portilla, V., González, J., del Castillo, A., González, L., Chael, E. y French, M. 1978. Oaxaca, México, earthquake of 29 noviember 1978: a preliminary report on spatio-temporal pattern oe preceding seismic activity and mainshock relocation. Geofísica Internacional. 17, 2 (abr. 1978), 109–126. DOI:https://doi.org/10.22201/igeof.00167169p.1978.17.2.928.