@misc{indiciae0b7ec7fa868f,
  title = {Manned systems utilization analysis (study 2.1). Volume 2: Manned systems utilization},
  author = {Mayfield, E. B.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19760006054},
  note = {Source identifier: 19760006054}
}