@misc{indiciaebe2212474a3e,
  title = {Catalog of first motion focal mechanisms, 1986-1987, Volume 3},
  author = {Russell E. Needham},
  year = {1990},
  doi = {10.3133/ofr88556c},
  url = {https://pubs.usgs.gov/publication/ofr88556C},
  note = {Source identifier: ofr88556C}
}