@misc{indiciae378a63e9d66d,
  title = {Extraterrestrial radio tracking and communications},
  author = {Brockman, M. H. and Buchanan, H. R. and Choate, R. L. and Malling, L. R.},
  year = {1959},
  url = {https://ntrs.nasa.gov/citations/19680073819},
  note = {Source identifier: 19680073819}
}