@misc{indiciae0b2dd59388c1,
  title = {Abnormal P-wave delays in The Geysers-Clear Lake Geothermal area, California},
  author = {H. M. Iyer and D. H. Oppenheimer and T. Hitchcock},
  year = {1979},
  doi = {10.1126/science.204.4392.495},
  url = {https://pubs.usgs.gov/publication/70012520},
  note = {Source identifier: 70012520}
}