@misc{indiciaead7092c22e9d,
  title = {A SEISMOGRAPH FOR LUNAR EXPERIMENTS},
  author = {Gurney, R. D. and Lehner, F. E. and Miller, W. and Witt, E. O.},
  year = {1962},
  url = {https://ntrs.nasa.gov/citations/19630002475},
  note = {Source identifier: 19630002475}
}