@misc{indiciae4b28328331e0,
  title = {Atomic and molecular oxygen densities in the lower thermosphere},
  author = {Nier, A. O. and Potter, W. E. and Kayser, D. C.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760036864},
  note = {Source identifier: 19760036864}
}