@misc{indiciaec59c8e84f31a,
  title = {A digital Orrery},
  author = {Applegate, J. H. and Douglas, M. R. and Hunter, P. and Seitz, C. L. and Gursel, Y.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850065719},
  note = {Source identifier: 19850065719}
}