@misc{indiciaeada904343940,
  title = {Estimation of ground motion parameters},
  author = {David M. Boore and Adolph A. Oliver and Robert A. Page and William B. Joyner},
  year = {1978},
  doi = {10.3133/ofr78509},
  url = {https://pubs.usgs.gov/publication/ofr78509},
  note = {Source identifier: ofr78509}
}