@misc{indiciaeadaef428c7a2,
  title = {Chasing a Comet with a Solar Sail},
  author = {Stough, Robert W. and Heaton, Andrew F. and Whorton, Mark S.},
  year = {2008},
  url = {https://ntrs.nasa.gov/citations/20080013551},
  note = {Source identifier: 20080013551}
}