@misc{indiciaeabcb8b42ff22,
  title = {Global teleseismic earthquake relocation with improved travel times and procedures for depth determination},
  author = {Engdah E. Robert and R. D. Van Hilst and Raymond P. Buland},
  year = {1998},
  doi = {10.1785/bssa0880030722},
  url = {https://pubs.usgs.gov/publication/70020377},
  note = {Source identifier: 70020377}
}