@misc{indiciaebabc182c3908,
  title = {Joint inversion of gravity and arrival time data from Parkfield: New constraints on structure and hypocenter locations near the SAFOD drill site},
  author = {S. Roecker and C. Thurber and D. McPhee},
  year = {2004},
  doi = {10.1029/2003gl019396},
  url = {https://pubs.usgs.gov/publication/70027013},
  note = {Source identifier: 70027013}
}