@misc{indiciaee512cde55e38,
  title = {Elements of oxygen production systems using Martian atmosphere},
  author = {Ash, R. L. and Huang, J.-K. and Johnson, P. B. and Sivertson, W. E., Jr.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860057992},
  note = {Source identifier: 19860057992}
}