@misc{indiciae833c13f447ff,
  title = {Strike-parallel and strike-normal coordinate system around geometrically complicated rupture traces: use by NGA-West2 and further improvements},
  author = {Paul A. Spudich and Brian Chiou},
  year = {2015},
  doi = {10.3133/ofr20151028},
  url = {https://pubs.usgs.gov/publication/ofr20151028},
  note = {Source identifier: ofr20151028}
}