TY - RPRT TI - GPRMODV2; one-dimensional full waveform forward modeling of dispersive ground penetrating radar data, version 2.0 AU - Michael H. Powers AU - G.R. Olhoeft PY - 1995 DO - 10.3133/ofr9558 UR - https://pubs.usgs.gov/publication/ofr9558 ID - ofr9558 ER -