@misc{indiciae8cf87d533cbc,
  title = {Carrier synchronization techniques for unbalanced QPSK signals. II},
  author = {Braun, W. R. and Lindsey, W. C.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19790029346},
  note = {Source identifier: 19790029346}
}