TY - RPRT TI - Finite-difference algorithm for simulating 3D electromagnetic wavefields in conductive media. AU - Aldridge, David F. AU - Knox, Hunter Anne AU - Pike, Darin AU - Bartel, Lewis C AU - Schramm, K. A. PY - 2013 UR - https://www.osti.gov/biblio/1121278 ID - 1121278 ER -