@misc{indiciae4dced1d6686e,
  title = {Interpreting DNAPL saturations in a laboratory-scale injection with GPR data and direct core measurements},
  author = {Raymond H. Johnson and Eileen P. Poeter},
  year = {2003},
  doi = {10.3133/ofr03349},
  url = {https://pubs.usgs.gov/publication/ofr03349},
  note = {Source identifier: ofr03349}
}