@misc{indiciae16cefb4d1dce,
  title = {Seismic precursors to the Mount St. Helens eruptions in 1981 and 1982},
  author = {S. D. Malone and C. Boyko and C.S. Weaver},
  year = {1983},
  doi = {10.1126/science.221.4618.1376},
  url = {https://pubs.usgs.gov/publication/70012130},
  note = {Source identifier: 70012130}
}