@misc{indiciae6ee894e4f9f0,
  title = {No effect of diffraction on Pluto-Charon mutual events},
  author = {Tholen, D. J. and Hubbard, W. B.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890029931},
  note = {Source identifier: 19890029931}
}