TY - RPRT TI - Empirical predictive curves for resistivity and dielectric constant of earth materials; 100 Hz to 100 MHz AU - R. C. Bigelow AU - W.R. Eberle PY - 1983 DO - 10.3133/ofr83911 UR - https://pubs.usgs.gov/publication/ofr83911 ID - ofr83911 ER -