@misc{indiciaee499e30dbbf4,
  title = {Hybrid coding systems study},
  author = {Odenwalder, J. P. and Gilhousen, K. S. and Heller, J. A. and Jacobs, I. M. and Jelinek, F. and Viterbi, A. J.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720024556},
  note = {Source identifier: 19720024556}
}