@misc{indiciae0c6be34d40e5,
  title = {Tidal deceleration of the moon's mean motion},
  author = {Cheng, M. K. and Eanes, R. J. and Tapley, B. D.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920043435},
  note = {Source identifier: 19920043435}
}