@misc{indiciae17f42666f628,
  title = {ECLS systems for a lunar base - A baseline and some alternate concepts},
  author = {Hypes, Warren D. and Hall, John B., Jr.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890040484},
  note = {Source identifier: 19890040484}
}