@misc{indiciae89edbd73e423,
  title = {Accuracy and precision of estimating age of gray wolves by tooth wear},
  author = {P. S. Gipson and W.B. Ballard and R. M. Nowak and L.D. Mech},
  year = {2000},
  doi = {10.2307/3802745},
  url = {https://pubs.usgs.gov/publication/70022493},
  note = {Source identifier: 70022493}
}