@misc{indiciae7cf95f39824f,
  title = {The Apollo passive seismic experiment.},
  author = {Ewing, M. and Latham, G. and Press, F. and Sutton, G.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690059527},
  note = {Source identifier: 19690059527}
}