@misc{indiciaefc563958d570,
  title = {A strategy to rotate the Mars Observer orbit node line to advance the mapping schedule},
  author = {Pernicka, Henry J. and Sweetser, Theodore H. and Roncoli, Ralph B.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19950049784},
  note = {Source identifier: 19950049784}
}