@misc{indiciae92665872f896,
  title = {Optical navigation during the Voyager Neptune encounter},
  author = {Riedel, J. E. and Owen, W. M., Jr. and Stuve, J. A. and Synnott, S. P. and Vaughan, R. M.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900065914},
  note = {Source identifier: 19900065914}
}