@misc{indiciaeed276cfa2cbb,
  title = {Single-Stage Earth-Orbital Reusable Vehicle Space Shuttle Feasibility Study. Volume 1: Summary},
  author = {Charles E Tharratt},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19730066109},
  note = {Source identifier: 19730066109}
}