@misc{indiciaec0d272ca559a,
  title = {Program Documentation for Elapsed Time to Oxygen and Hydrogen Caution and Warning System for Captive/active 1 and 3 Flights},
  author = {Hurst, J. E.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770016243},
  note = {Source identifier: 19770016243}
}