@misc{indiciae921d3e0696b1,
  title = {Observing and Modeling Long-Period Tidal Variations in Polar Motion},
  author = {Gross, Richard S. and Dickman, S. R.},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20110020642},
  note = {Source identifier: 20110020642}
}