@misc{indiciae5ef76f62835f,
  title = {Catalogue of U.S. Geological Survey strong-motion records, 1987},
  author = {R. L. Porcella and J.C. Switzer},
  year = {1989},
  doi = {10.3133/cir1044},
  url = {https://pubs.usgs.gov/publication/cir1044},
  note = {Source identifier: cir1044}
}