@misc{indiciaede5bf337b131,
  title = {Bar graph monitor},
  author = {Harris, D. L. and Hinds, P. L. and Kopsidas, R. K. and Stattel, R. J.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690029395},
  note = {Source identifier: 19690029395}
}