@misc{indiciae7f6c44306370,
  title = {Ulysses mission design after Challenger},
  author = {Luthey, Joe L. and Peralta, Fernando and Pojman, Joan L.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900059761},
  note = {Source identifier: 19900059761}
}