@misc{indiciae2e2222cfd685,
  title = {Evidence of recent warming and El Nino-related variations in ice breakup of Wisconsin lakes},
  author = {W.L. Anderson and Dale M. Robertson and J.J. Magnuson},
  year = {1996},
  url = {https://pubs.usgs.gov/publication/70018416},
  note = {Source identifier: 70018416}
}