@misc{indiciae2607927b1aac,
  title = {Ultraviolet observations of comets},
  author = {Code, A. D. and Houck, T. E. and Lillie, C. F.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720024170},
  note = {Source identifier: 19720024170}
}