@misc{indiciae41e4cef774fb,
  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/70020750},
  note = {Source identifier: 70020750}
}