@misc{indiciaeef5404d06979,
  title = {Spectrophotometry of Pluto},
  author = {Fix, J. D. and Kelsey, L. A. and Neff, J. S.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700069013},
  note = {Source identifier: 19700069013}
}