@misc{indiciae1db61ca877ea,
  title = {The information content of high-frequency seismograms and the near-surface geologic structure of "hard rock" recording sites},
  author = {E. Cranswick},
  year = {1988},
  doi = {10.1007/bf01772604},
  url = {https://pubs.usgs.gov/publication/70013842},
  note = {Source identifier: 70013842}
}