TY - RPRT TI - Measuring the electrical properties of soil using a calibrated ground-coupled GPR system AU - C.P. Oden AU - G.R. Olhoeft AU - D.L. Wright AU - M.H. Powers PY - 2008 DO - 10.2136/vzj2006.0128 UR - https://pubs.usgs.gov/publication/70033331 ID - 70033331 ER -