@misc{indiciae9af9846fc3d2,
  title = {Atmospheric drag as the cause of the secular decrease in the semimajor axis of LAGEOS's orbit},
  author = {Rubincam, D. P.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800054927},
  note = {Source identifier: 19800054927}
}