@misc{indiciae28adea96ddf7,
  title = {EQPLT and ZEQPLT; interactive computer plotting programs for earthquake and geophysical data},
  author = {Fred W. Klein},
  year = {1980},
  doi = {10.3133/ofr80827},
  url = {https://pubs.usgs.gov/publication/ofr80827},
  note = {Source identifier: ofr80827}
}