@misc{indiciae235e1f0670f6,
  title = {Electrochemical carbon dioxide concentrator subsystem development},
  author = {Koszenski, E. P. and Heppner, D. B. and Bunnell, C. T.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19880006971},
  note = {Source identifier: 19880006971}
}