@misc{indiciae027a249d7fd8,
  title = {Anomalous delays of teleseismic P waves in Yellowstone National Park},
  author = {H. M. Iyer},
  year = {1975},
  doi = {10.1038/253425a0},
  url = {https://pubs.usgs.gov/publication/70001236},
  note = {Source identifier: 70001236}
}