@misc{indiciaedbe93db6f2ce,
  title = {Studies of asteroids and comets},
  author = {Bowell, E. L. G. and Lumme, K. and Wasserman, L. C. and Kreidl, T. J. N. and Bus, S. J. and Skiff, B. A.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870003009},
  note = {Source identifier: 19870003009}
}