@misc{indiciaef37a7f2eb639,
  title = {Background stratospheric aerosol and polar stratospheric cloud reference models},
  author = {Mccormick, M. P. and Wang, P.-H. and Pitts, M. C.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19920065078},
  note = {Source identifier: 19920065078}
}