@misc{indiciae8474292b2a72,
  title = {The 3.4 micrometer emission feature in Comet Halley},
  author = {Brooke, Timothy Y. and Knacke, R. F.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890003967},
  note = {Source identifier: 19890003967}
}