@misc{indiciaef203aa8f0891,
  title = {Moment-tensor solutions for the 24 November 1987 Superstition Hills, California, earthquakes},
  author = {S.A. Sipkin},
  year = {1989},
  doi = {10.1785/bssa0790020493},
  url = {https://pubs.usgs.gov/publication/70015475},
  note = {Source identifier: 70015475}
}