@misc{indiciaef57d0397d5f3,
  title = {The manned transportation system study - Defining human pathways into space},
  author = {Nick Lance and Mark S Geyer and Michael T Gaunce and H W Anson and D G Bienhoff and D. A. Carey and B R Emmett and B McCandless and E D Wetzel},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920056125},
  note = {Source identifier: 19920056125}
}