@misc{indiciae14c17a2d167a,
  title = {Anomalous concentrations of seismically triggered rock falls in Pacoima Canyon: Are they caused by highly susceptible slopes or local amplification of seismic shaking?},
  author = {Edwin L. Harp and Randall W. Jibson},
  year = {2002},
  doi = {10.1785/0120010171},
  url = {https://pubs.usgs.gov/publication/70023820},
  note = {Source identifier: 70023820}
}