@misc{indiciae582668ecd7ea,
  title = {Polar stratospheric cloud sightings by SAM II},
  author = {Mccormick, M. P. and Chu, W. P. and Steele, H. M. and Hamill, P. and Swissler, T. J.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820054764},
  note = {Source identifier: 19820054764}
}