@misc{indiciae1b3138eb9a3a,
  title = {Visitors count! Guidance for protected areas on the economic analysis of visitation},
  author = {Anna Spenceley and Jan Philipp Schagner and Barbara Engels and Catherine Cullinane Thomas and Mauel Engelbauer and Joel Erkkonen and Hubert Job and Liisa Kajala and Lisa Majewski and Daniel Metzler and Marius Mayer and Andrew Rylance and Manuel Woltering and Niklas Scheder and Cecile Smith-Christensen and Thiago Beraldo Souza},
  year = {2021},
  url = {https://pubs.usgs.gov/publication/70223822},
  note = {Source identifier: 70223822}
}