@misc{indiciae03d416c537ea,
  title = {Preferential flow occurs in unsaturated conditions},
  author = {John R. Nimmo},
  year = {2011},
  doi = {10.1002/hyp.8380},
  url = {https://pubs.usgs.gov/publication/70005708},
  note = {Source identifier: 70005708}
}