@misc{indiciaed6d77fa33cef,
  title = {Ice on rivers and lakes: a bibliographic essay},
  author = {Eleanore R. Ficke and John F. Ficke},
  year = {1977},
  doi = {10.3133/wri7795},
  url = {https://pubs.usgs.gov/publication/wri7795},
  note = {Source identifier: wri7795}
}