@misc{indiciae347a57930e78,
  title = {Single channel and transmitted reference systems},
  author = {Oberst, J. and Osborne, P. and Schilling, D. L. and Taub, H.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680007515},
  note = {Source identifier: 19680007515}
}