@misc{indiciaed17d13103def,
  title = {A review and synthesis of recreation ecology research findings on visitor impacts to wilderness and protected natural areas},
  author = {Jeffrey L. Marion and Yu-Fai Leung and Holly Eagleston and Kaitlin Burroughs},
  year = {2016},
  doi = {10.5849/jof.15-498},
  url = {https://pubs.usgs.gov/publication/70175444},
  note = {Source identifier: 70175444}
}