@misc{indiciae2bd761d0ad9c,
  title = {Exploring Comets and Asteroids in the 21st Century},
  author = {Yeomans, D. and Chodas, P. W.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/20060034774},
  note = {Source identifier: 20060034774}
}