@misc{indiciaedb06c60db5e2,
  title = {Polar motion and earth tides from Beacon Explorer C},
  author = {Kolenkiewicz, D. E. and Smith, D. E. and Dunn, P. J.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730022618},
  note = {Source identifier: 19730022618}
}