@misc{indiciaef569d77d1d9e,
  title = {Oxygen production for interplanetary return missions},
  author = {Richter, R. and Ash, R. and Dowler, W.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800021898},
  note = {Source identifier: 19800021898}
}