@misc{indiciae12616769808b,
  title = {Rotative quadrature phase-shift keying},
  author = {Liu, J. and Kim, J. and Kwatra, S. C. and Stevens, G. H.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920061609},
  note = {Source identifier: 19920061609}
}