@misc{indiciaefac3cc4c97bf,
  title = {Space Life Support Technology Applications to Terrestrial Environmental Problems},
  author = {Schwartzkopf, Steven H. and Sleeper, Howard L.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930016428},
  note = {Source identifier: 19930016428}
}