@misc{indiciae66f38164831f,
  title = {Minimising visitor impacts to protected areas: The efficacy of low impact education programmes},
  author = {J. L. Marion and S. E. Reid},
  year = {2007},
  doi = {10.2167/jost593.0},
  url = {https://pubs.usgs.gov/publication/5224717},
  note = {Source identifier: 5224717}
}