1. Advanced Geosciences, Inc.: Instruction Manual for Earth Imager 2D Version 1.7.4. Resistivity and IP Inversion Software. Advanced Geosciences, Inc., Austin (2004)
2. Aizebeokhai, A.P.: 2D and 3D geoelectrical resistivity imaging: theory and field design. Sci. Res. Essays 5(23), 3592–3605 (2010)
3. Bayomy, F., Salem, H.: Monitoring and modeling subgrade soil moisture for pavement design and rehabilitation in Idaho: Phase III: Data collection and analysis (Final report). University of Idaho: National Institute for Advanced Transportation Technology (2004)
4. Benderitter, Y., Schott, J.J.: Short time variation of the resistivity in an unsaturated soil: the relationship with rainfall. Eur. J. Environ. Eng. Geophys. 4(1), 37–49 (1999)
5. Clarke, C.R.: Monitoring long-term subgrade moisture changes with electrical resistivity tomography. In: Unsaturated Soils, pp. 258–268 (2006)