@misc{indiciaeb3e81fb4017e,
  title = {One frame delta encoder final report},
  author = {Hackett, K. R. and Salaman, R. G. and Southworth, G. R.},
  year = {1961},
  url = {https://ntrs.nasa.gov/citations/19640055463},
  note = {Source identifier: 19640055463}
}