@misc{indiciae05c11fee863f,
  title = {Variations in thermospheric composition: A model based on mass-spectrometer and satellite-drag data},
  author = {Jacchia, L. G.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19740004346},
  note = {Source identifier: 19740004346}
}