@misc{indiciae369dad6668b5,
  title = {A 4800 bps CELP vocoder with an improved excitation},
  author = {Hassanein, Hisham and Brindamour, Andre and Bryden, Karen},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19920014938},
  note = {Source identifier: 19920014938}
}