@misc{indiciae01be0350e934,
  title = {Quantifying landscape ruggedness for animal habitat analysis: A case study using bighorn sheep in the Mojave Desert},
  author = {J.M. Sappington and K.M. Longshore and D.B. Thompson},
  year = {2010},
  doi = {10.2193/2005-723},
  url = {https://pubs.usgs.gov/publication/70000586},
  note = {Source identifier: 70000586}
}