@misc{indiciae530db0cdd8d7,
  title = {Portable Pulse Code Modulation /PCM/},
  author = {Bradanini, P. A. and Kluth, J. T.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680000106},
  note = {Source identifier: 19680000106}
}