@misc{indiciae0513d96a112d,
  title = {A method of estimating magnitude of local earthquakes from signal duration},
  author = {William Hung Kan Lee and R.E. Bennett and K.L. Meagher},
  year = {1972},
  doi = {10.3133/ofr72223},
  url = {https://pubs.usgs.gov/publication/ofr72223},
  note = {Source identifier: ofr72223}
}