@misc{indiciae8a08191447e9,
  title = {Errors in the J(sub 3) Part of Nutation Series},
  author = {Hartmann, Torsten and Williams, James G. and Soffel, Michael},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/19990070476},
  note = {Source identifier: 19990070476}
}