@misc{indiciaee6c07f660cf7,
  title = {Mars-Approach Navigation Using In Situ Orbiters},
  author = {Duncan, Courtney and Ely, Todd and Lightsey, E. Glenn},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20100002834},
  note = {Source identifier: 20100002834}
}