@misc{indiciae59acd18f94aa,
  title = {The application of microwave remote sensing for snow and ice research},
  author = {William Joseph Campbell and Preben Gudmansen},
  year = {1981},
  doi = {10.3133/ofr81547},
  url = {https://pubs.usgs.gov/publication/ofr81547},
  note = {Source identifier: ofr81547}
}