@misc{indiciaedc0987258cdf,
  title = {Winter Sea Ice Mapping From Multi-Parameter Synthetic Aperture Radar Data},
  author = {Rignot, E. and Drinkwater, M.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/20060038804},
  note = {Source identifier: 20060038804}
}