@misc{indiciaee240abb57f63,
  title = {Chiron: Evidence for historic cometary activity},
  author = {Bus, Schelte J. and Bowell, Edward and Stern, S. Alan and Ahearn, Michael F.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910016674},
  note = {Source identifier: 19910016674}
}