@misc{indiciae0c3a119c1940,
  title = {Use of isotopic sulfur to determine whitebark pine consumption by Yellowstone bears: a reassessment},
  author = {Charles C. Schwartz and Justin E. Teisberg and Jennifer K. Fortin and Mark A. Haroldson and Christopher Servheen and Charles T. Robbins and Frank T. van Manen},
  year = {2014},
  url = {https://pubs.usgs.gov/publication/70131503},
  note = {Source identifier: 70131503}
}