Keller, G. R., Hinojosa, J. H., Dyer, J. R., Aiken, C. y Hoffer, J. M. (1989) «Preliminar y investigations of the extent of Río Grande rift in the northern portion of the state of Chihuahua», Geofísica Internacional, 28(5), pp. 1043–1049. doi: 10.22201/igeof.00167169p.1989.28.5.1335.