@misc{indiciaedc18c2fac9cb,
  title = {Selection of wolf dens in relation to winter territories in northeastern Minnesota},
  author = {P. Ciucci and L.D. Mech},
  year = {1992},
  doi = {10.2307/1382214},
  url = {https://pubs.usgs.gov/publication/5222890},
  note = {Source identifier: 5222890}
}