@misc{indiciaeb202b51525f6,
  title = {Systems for pinpoint landing at Mars},
  author = {Johnson, Wyatt and Powell, Richard and Graves, Claude and Wolf, Aron A.},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20210001660},
  note = {Source identifier: 20210001660}
}