Kaufman, Alexander A., 1931-Botha, Willem J.2023-10-032023-10-031980https://hdl.handle.net/11124/178112Includes bibliographical references (pages 173-174).doctoral dissertationsengCopyright of the original work is retained by the author.Electrical prospectingEarth resistance (Geophysics)Basis of the theory and interpretation of the dual frequency methodText