@misc{indiciae1940efc7b40e,
  title = {Small digital recording head has parallel bit channels, minimizes cross talk},
  author = {Eller, E. E. and Laue, E. G.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19630000044},
  note = {Source identifier: 19630000044}
}