@misc{indiciae1148fac3d506,
  title = {Modeling GPR data to interpret porosity and DNAPL saturations for calibration of a 3-D multiphase flow simulation},
  author = {Kristen W. Sneddon and Michael H. Powers and Raymond H. Johnson and Eileen P. Poeter},
  year = {2002},
  doi = {10.3133/ofr02451},
  url = {https://pubs.usgs.gov/publication/ofr02451},
  note = {Source identifier: ofr02451}
}