@misc{indiciaec01e63c2a908,
  title = {Variability in Comet P/Swift-Tuttle},
  author = {Schulz, Rita and Mcfadden, Lucy A. and Chamberlin, Alan B. and A'Hearn, Michael F. and Schleicher, David G.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950045614},
  note = {Source identifier: 19950045614}
}