@misc{indiciaeb3fff805d4d8,
  title = {From GTO to the Planets},
  author = {Wiercigroch, A. and Penzo, P. and Gershman, R.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/20210005524},
  note = {Source identifier: 20210005524}
}