@misc{indiciaee64d052b7af6,
  title = {Continued studies on opiods and hibernation: Does the polar bear (Ursus maritimus) hibernate?},
  author = {David S. Bruce and Nancy K. Darling and Katheleen J. Seeland and Peter R. Oeltgen and Sita P. Nilekani and Steven C. Amstrup},
  year = {1989},
  url = {https://pubs.usgs.gov/publication/70188690},
  note = {Source identifier: 70188690}
}