@misc{indiciae9b70dfa048e1,
  title = {The Steward Observatory asteroid relational database},
  author = {Sykes, Mark V. and Alvarezdelcastillo, Elizabeth M.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910015078},
  note = {Source identifier: 19910015078}
}