@misc{indiciaea5fdc09d5331,
  title = {The human role in space},
  author = {Hall, S. B. and Vontiesenhausen, G. and Johnson, G. W.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820020111},
  note = {Source identifier: 19820020111}
}