@misc{indiciaeda2a6bc26e6f,
  title = {hypoDD-A Program to Compute Double-Difference Hypocenter Locations},
  author = {Felix Waldhauser},
  year = {2001},
  doi = {10.3133/ofr01113},
  url = {https://pubs.usgs.gov/publication/ofr01113},
  note = {Source identifier: ofr01113}
}