@misc{indiciae97953c1798a3,
  title = {The Global Seismographic Network},
  author = {Lind S. Gee and William S. Leith},
  year = {2011},
  doi = {10.3133/fs20113021},
  url = {https://pubs.usgs.gov/publication/fs20113021},
  note = {Source identifier: fs20113021}
}