@misc{indiciae75f38d210fc8,
  title = {Planetary entry of spacecraft utilizing atmosphere braking.},
  author = {Boobar, M. G. and Chapel, F. G. and Repic, E. M.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680036598},
  note = {Source identifier: 19680036598}
}