1. Fortran IV programs for the determination of the transient tangential electric field and vertical magnetic field about a vertical magnetic dipole for an n-layer stratified earth by numerical integration and digital linear filtering;Anderson;U.S. Geol. Surv. Rep. USGS-GD-73-017, PB-221240,1973
2. EM fields of a vertical magnetic dipole placed above the earth's surface;Bhattacharya;Geophysics,1963
3. A ground pulse electromagnetic method and its application in mineral exploration;Crone,1975
4. Computer-assisted interpretation of electromagnetic sounding over a permafrost section;Daniels;Geophysics,1976
5. Fields about an oscillating magnetic dipole over a two-layer earth, and application to ground and airborne electromagnetic surveys;Frischknecht;Quat. Colo. School of Mines,1967