@misc{indiciaec9f4a8e4bcab,
  title = {A composition comparison between comets P/Halley and P/Brorsen-Metcalf},
  author = {Disanti, Michael A. and Fink, Uwe},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910011703},
  note = {Source identifier: 19910011703}
}