@misc{indiciae28e3971294c0,
  title = {Ground-truthing a troll: studying the barking frog at Coronado National Memorial},
  author = {C. Schwalbe and B. Alberti},
  year = {1998},
  url = {https://pubs.usgs.gov/publication/1007901},
  note = {Source identifier: 1007901}
}