@misc{indiciae0ceb60783ded,
  title = {Hydraulic anisotropy characterization of pneumatic-fractured sediments using azimuthal self potential gradient},
  author = {D.N. Wishart and L.D. Slater and D.L. Schnell and G.C. Herman},
  year = {2009},
  doi = {10.1016/j.jconhyd.2008.09.023},
  url = {https://pubs.usgs.gov/publication/70032874},
  note = {Source identifier: 70032874}
}