@misc{indiciaeabfaa1530ddc,
  title = {Analysis of an optimal celestial-inertial navigation concept for low-thrust interplanetary vehicles},
  author = {Friedlander, A. L.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660016982},
  note = {Source identifier: 19660016982}
}