@misc{indiciae4f10ba8b8f14,
  title = {Models of planetary rings},
  author = {Esposito, L. W. and Brophy, T. G. and Stewart, Glen R. and Yanamandra-Fisher, P. A.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920001716},
  note = {Source identifier: 19920001716}
}