@misc{indiciae2224db264273,
  title = {Combined trellis coding with asymmetric MPSK modulation: An MSAT-X report},
  author = {Simon, M. K. and Divsalar, D.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850023034},
  note = {Source identifier: 19850023034}
}