@misc{indiciae4904c5215c98,
  title = {Computation of free oscillations of the earth},
  author = {Raymond P. Buland and F. Gilbert},
  year = {1984},
  doi = {10.1016/0021-9991(84)90141-4},
  url = {https://pubs.usgs.gov/publication/70010302},
  note = {Source identifier: 70010302}
}