@misc{indiciae97a69fce80c4,
  title = {Recent large fluctuations in total ozone},
  author = {Newell, Reginald E. and Selkirk, Henry B.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880053807},
  note = {Source identifier: 19880053807}
}