@misc{indiciae2a52f8c2929b,
  title = {A Protocol for Aging Anurans Using Skeletochronology},
  author = {Brome McCreary and Christopher A. Pearl and M. J. Adams},
  year = {2008},
  doi = {10.3133/ofr20081209},
  url = {https://pubs.usgs.gov/publication/ofr20081209},
  note = {Source identifier: ofr20081209}
}