@misc{indiciae5ea8ff814a93,
  title = {Space station MSFC-DPD-235/DR no. MA-05 phase C/D program development plan. Volume 2: Phase C/D, programmatic requirements},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720008157},
  note = {Source identifier: 19720008157}
}