@misc{indiciae9d837a962209,
  title = {Remote Sensing of Snow Cover: Snow Extent - Section},
  author = {Hall, Dorothy K. and Frei, Allan and Drey, Stephen J.},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20120009345},
  note = {Source identifier: 20120009345}
}