@inproceedings{inproceedings0f054a70,
title   = {Surface and downhole electrodes in electrical resistivity tomography},
author = {Vilar, Marco A. S and Ustra, Andrea Teixeira and Mendonça, Carlos Alberto},
year = {2015},
publisher = {Sociedade Brasileira de Geofísica},
booktitle   = {International Congress of the Brazilian Geophysical Society}
}