@misc{indiciae1e8469f3e556,
  title = {System configuration and executive requirements specifications for reusable shuttle and space station/base},
  author = {Curran, R. T. and Fitzpatrick, W. S. and Johnson, J. M. and Kennedy, J. R.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710017542},
  note = {Source identifier: 19710017542}
}