@misc{indiciae0daf9d828b95,
  title = {Evaluation of a formula that categorizes female gray wolf breeding status by nipple size},
  author = {Shannon M. Barber-Meyer and L. David Mech},
  year = {2015},
  doi = {10.1656/045.022.0402},
  url = {https://pubs.usgs.gov/publication/70159928},
  note = {Source identifier: 70159928}
}