@misc{indiciae86a2c63a3ae5,
  title = {Manned Mars aerobrake vehicle design issues},
  author = {Freeman, Delma C., Jr. and Powell, Richard W. and Braun, Robert D.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910029243},
  note = {Source identifier: 19910029243}
}