@misc{indiciae4475d3ba714f,
  title = {Ground-motion models for very-hard rock sites in eastern North America: An update},
  author = {David Boore},
  year = {2018},
  doi = {10.1785/0220170218},
  url = {https://pubs.usgs.gov/publication/70263404},
  note = {Source identifier: 70263404}
}