@misc{indiciaeb2ba87631e98,
  title = {Climatic significance of the bristlecone pine latewood frost-ring record at Almagre Mountain, Colorado, U.S.A.},
  author = {F. Craig Brunstein},
  year = {1996},
  doi = {10.2307/1552087},
  url = {https://pubs.usgs.gov/publication/70019367},
  note = {Source identifier: 70019367}
}