@misc{indiciae7c62534b52f2,
  title = {Optimum transmission of digital data by pulse code modulation.},
  author = {Murthy, B. R. N. and Wintz, P. A.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690058293},
  note = {Source identifier: 19690058293}
}