@misc{indiciaef6a6ac94d489,
  title = {Gravitational radiation observations on the moon},
  author = {Stebbins, R. T. and Saulson, P. R. and Armstrong, J. W. and Hellings, R. W. and Bender, P. L. and Drever, R. W. P.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910072003},
  note = {Source identifier: 19910072003}
}