@misc{indiciaeeb75e02365b7,
  title = {Four-D global reference atmosphere},
  author = {Robertson, B. and Smith, O. E. and Justus, C. G. and Roper, R. G. and Woodrum, A. W.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770000066},
  note = {Source identifier: 19770000066}
}