@misc{indiciae6d278882e7d5,
  title = {Improved reference models for middle atmosphere ozone},
  author = {Keating, G. M. and Pitts, M. C. and Chen, C.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19910018320},
  note = {Source identifier: 19910018320}
}