@misc{indiciaebfbfc03d77a2,
  title = {Analysis of broadband seismograms from selected IASPEI events},
  author = {G. L. Choy and E.R. Engdahl},
  year = {1987},
  doi = {10.1016/0031-9201(87)90069-0},
  url = {https://pubs.usgs.gov/publication/70014119},
  note = {Source identifier: 70014119}
}