@misc{indiciaee118d254936b,
  title = {Peak horizontal acceleration and velocity from strong-motion records including records from the 1979 imperial valley, California, earthquake},
  author = {William B. Joyner and David M. Boore},
  year = {1981},
  doi = {10.1785/bssa0710062011},
  url = {https://pubs.usgs.gov/publication/70047764},
  note = {Source identifier: 70047764}
}