@misc{indiciaee055d93e5bf7,
  title = {Conceptual design for a lunar-base CELSS},
  author = {Schwartzkopf, Steven H. and Cullingford, Hatice S.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910043072},
  note = {Source identifier: 19910043072}
}