@misc{indiciaedc0d76a92850,
  title = {Seismic Noise Analysis System, Power Spectral Density Probability Density Function: Stand-Alone Software Package},
  author = {D.E. McNamara and R.I. Boaz},
  year = {2005},
  doi = {10.3133/ofr20051438},
  url = {https://pubs.usgs.gov/publication/ofr20051438},
  note = {Source identifier: ofr20051438}
}