@misc{indiciaed65d8c496749,
  title = {Adaptive delta modulation systems for video encoding},
  author = {Lei, T.-L. R. and Scheinberg, N. and Schilling, D. L.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780031362},
  note = {Source identifier: 19780031362}
}