@misc{indiciae04934076fcd2,
  title = {S-band transponder experiment},
  author = {Sjogren, W. L. and Gottlieb, P. and Muller, P. M. and Wollenhaupt, W. R.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720015184},
  note = {Source identifier: 19720015184}
}