@misc{indiciae705a6154688e,
  title = {CCD observations of orbital debris},
  author = {Henize, Karl G. and O'Neill, Christine A. and Mulrooney, Mark K.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910025587},
  note = {Source identifier: 19910025587}
}