1. Model tank experiments on resolution of resistivity anomalies obtained over buried conducting dykes — inline and broadside profiling;Apparao;Geophys. Prospect.,1979
2. Discussion on effect of surface polarisation on resistivity modeling by D. Guptasarma;Apparao;Geophysics,1983
3. Depth of investigation in resistivity methods using linear electrodes;Apparao;Geophys. Prospect.,1974
4. The method of downward continuation in interpretation of induced polarisation data obtained with linear electrodes;Apparao;Geophys. Res. Bull. NGRI (India),1983
5. Resistivity model experiments, 2;Apparao;Geoexploration,1971