@misc{indiciaed27bc7b4d95e,
  title = {Annual modulation of seismicity along the San Andreas Fault near Parkfield, CA},
  author = {L.B. Christiansen and Shaul Hurwitz and Steven E. Ingebritsen},
  year = {2007},
  doi = {10.1029/2006gl028634},
  url = {https://pubs.usgs.gov/publication/70032933},
  note = {Source identifier: 70032933}
}