@misc{indiciaec13a67c48011,
  title = {Sampling animal sign in heterogeneous environments: how much is enough?},
  author = {Joseph D. Holbrook and Robert S. Arkle and Janet L. Rachlow and Kerri T. Vierling and David S. Pilliod},
  year = {2015},
  doi = {10.1016/j.jaridenv.2015.03.013},
  url = {https://pubs.usgs.gov/publication/70145517},
  note = {Source identifier: 70145517}
}