@misc{indiciaeffea6b5a1412,
  title = {Voice encoding for the Space Shuttle using adaptive delta modulation},
  author = {Schilling, D. L. and Garodnick, J. and Vang, H. A.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790035853},
  note = {Source identifier: 19790035853}
}