@misc{indiciae0f677e7f4603,
  title = {Mathematical model predictions and optimization study of the gamma ray atmospheric density sensor},
  author = {Gardner, R. P. and Whitaker, D. R.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680023727},
  note = {Source identifier: 19680023727}
}