@misc{indiciae9df53d3797b1,
  title = {Comet brightness parameters: Definition, determination, and correlations},
  author = {Meisel, D. D. and Morris, C. S.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760013983},
  note = {Source identifier: 19760013983}
}