@misc{indiciae9b7e4a4b5d53,
  title = {SPE(R)-OBOGS: On-board oxygen generating sustem},
  author = {Mcelroy, J. and Smith, W.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/19950023846},
  note = {Source identifier: 19950023846}
}