@misc{indiciaedfc3861f6e76,
  title = {Observations and modeling of seismic background noise},
  author = {Jon R. Peterson},
  year = {1993},
  doi = {10.3133/ofr93322},
  url = {https://pubs.usgs.gov/publication/ofr93322},
  note = {Source identifier: ofr93322}
}