@misc{indiciaecb6e90257449,
  title = {Evidence for ammonium-bearing minerals on Ceres},
  author = {Trude V. V. King and Roger N. Clark and W. M. Calvin and David M. Sherman and R. H. Brown},
  year = {1992},
  doi = {10.1126/science.255.5051.1551},
  url = {https://pubs.usgs.gov/publication/70017255},
  note = {Source identifier: 70017255}
}