@misc{indiciae0d2c83d4e950,
  title = {Defining the background status of a debris cloud},
  author = {Maclay, Timothy D. and Madler, Ronald A. and Mcnamara, Roger and Culp, Robert D.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920060644},
  note = {Source identifier: 19920060644}
}