Steinich, B., Simón, I., Chavarría, J.A. y Marín, L.E. 1997. Geophysical investigations of the vadose zone in the Valley of Hermosillo aquifer, Sonora, Mexico. Geofísica Internacional. 36, 3 (jul. 1997), 191–200. DOI:https://doi.org/10.22201/igeof.00167169p.1997.36.3.650.