@misc{indiciaeec25d9e5a85c,
  title = {Lake ice records used to detect historical and future climatic changes},
  author = {Dale M. Robertson and R.A. Ragotzkie and John J. Magnuson},
  year = {1992},
  doi = {10.1007/bf00141379},
  url = {https://pubs.usgs.gov/publication/70157522},
  note = {Source identifier: 70157522}
}