@misc{indiciaec3cb5c1a7688,
  title = {Taxonomy of asteroids},
  author = {Bowell, E. and Chapman, C. R. and Gradie, J. C. and Zellner, B. and Morrison, D.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790027591},
  note = {Source identifier: 19790027591}
}