@misc{indiciae9e15b0cfa05f,
  title = {Convolutional coding techniques for data protection Final report, 16 Sep. 1968 - 15 Sep. 1969},
  author = {Massey, J. L.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700027056},
  note = {Source identifier: 19700027056}
}