@misc{indiciae8d5869785450, title = {Measuring the electrical properties of soil using a calibrated ground-coupled GPR system}, author = {C.P. Oden and G.R. Olhoeft and D.L. Wright and M.H. Powers}, year = {2008}, doi = {10.2136/vzj2006.0128}, url = {https://pubs.usgs.gov/publication/70033331}, note = {Source identifier: 70033331} }