@misc{indiciae2103622372bf,
  title = {Direction of unsaturated flow in a homogeneous and isotropic hillslope},
  author = {Ning Lu and Basak Sener Kaya and Jonathan W. Godt},
  year = {2011},
  doi = {10.1029/2010wr010003},
  url = {https://pubs.usgs.gov/publication/70003769},
  note = {Source identifier: 70003769}
}