@misc{indiciae3b297a62a369,
  title = {Overview of preferential flow in unsaturated fractures},
  author = {Grace W. Su and Jil T. Geller and Karsten Pruess and James Hunt},
  year = {2000},
  doi = {10.1029/gm122p0147},
  url = {https://pubs.usgs.gov/publication/70243615},
  note = {Source identifier: 70243615}
}