@misc{indiciaea13625edb41b,
  title = {Identification of comet nucleus from comet coma.},
  author = {Brock, H. I. and Hung, J. C. and Ellsworth, J. D. and Thompson, Z.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730050832},
  note = {Source identifier: 19730050832}
}