@misc{indiciaeb700a4b39952,
  title = {Shuttle time and frequency transfer experiment},
  author = {Allan, D. W. and Alley, C. O. and Decher, R. and Vessot, R. F. C. and Winkler, G. M. R.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800021841},
  note = {Source identifier: 19800021841}
}