@misc{indiciae3a7c4c172183,
  title = {A Unified Satellite-Observation Polar Stratospheric Cloud (PSC) Database for Long-Term Climate-Change Studies},
  author = {Fromm, Michael and Pitts, Michael and Alfred, Jerome},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20000086185},
  note = {Source identifier: 20000086185}
}