@misc{indiciaea7ab062d4f97,
  title = {Areal extent of snow in forested regions — A practical estimation technique using ERTS-1 data},
  author = {W. C. Draeger and D. T. Lauer},
  year = {1974},
  url = {https://pubs.usgs.gov/publication/70231015},
  note = {Source identifier: 70231015}
}