@misc{indiciaee5dc4b49c5cf,
  title = {The structure of the polar vortex},
  author = {Schoeberl, Mark R. and Lait, Leslie R. and Newman, Paul A. and Rosenfield, Joan E.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920059280},
  note = {Source identifier: 19920059280}
}