@misc{indiciae066b8fc2bed1,
  title = {An absolute radius scale for Saturn's rings},
  author = {Nicholson, Philip D. and Cooke, Maren L. and Pelton, Emily},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900066048},
  note = {Source identifier: 19900066048}
}