Shevnin, V., O. Delgado-Rodríguez, A. Mousatov, E. Nakamura-Labastida, and A. Mejía-Aguilar. “Oil Pollution Detection Using Resistivity Sounding”. Geofisica Internacional, vol. 42, no. 4, Oct. 2003, pp. 613-22, doi:10.22201/igeof.00167169p.2003.42.4.315.