@misc{indiciae71e0ba7a0626,
  title = {S band transponder experiment},
  author = {Sjogren, W. L. and Muller, P. M. and Wollenhaupt, W. R.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730013031},
  note = {Source identifier: 19730013031}
}