@misc{indiciae356c7ccb8e12,
  title = {Managing visitor impacts in parks: A multi-method study of the effectiveness of alternative management practices},
  author = {L.O. Park and J. L. Marion and R.E. Manning and S.R. Lawson and C. Jacobi},
  year = {2008},
  url = {https://pubs.usgs.gov/publication/5224932},
  note = {Source identifier: 5224932}
}