@misc{indiciae8b563bc2f25d,
  title = {Using cluster analysis to organize and explore regional GPS velocities},
  author = {Robert W. Simpson and Wayne Thatcher and James C. Savage},
  year = {2012},
  doi = {10.1029/2012gl052755},
  url = {https://pubs.usgs.gov/publication/70042784},
  note = {Source identifier: 70042784}
}