1. The principles and practice of geophysical prospecting;Broughton Edge,1931
2. Tri-potential method of resistivity prospecting;Carpenter;Geophysics,1956
3. Tri-potential method of resistivity prospecting;Carpenter;Geophysics,1956
4. A practical method of calculating geoelectrical model graphs for horizontally stratified media;Flathe;Geophysical Prospecting,1955
5. Geophysical Exploration;Heiland,1946