@misc{indiciae2d4211bb804c,
  title = {Orientation-independent, nongeometric-mean measures of seismic intensity from two horizontal components of motion},
  author = {David M. Boore},
  year = {2010},
  doi = {10.1785/0120090400},
  url = {https://pubs.usgs.gov/publication/70041869},
  note = {Source identifier: 70041869}
}