@misc{indiciae71e26bd88503,
  title = {Earth Return Navigation Analysis for Manned Spacecraft Using Optical and Radiometric Measurements},
  author = {Abrahamson, Matthew J. and Ely, Todd A.},
  year = {2010},
  url = {https://ntrs.nasa.gov/citations/20150008867},
  note = {Source identifier: 20150008867}
}