@misc{indiciae4ccea7438276,
  title = {Long-period events and tremor at Popocatepetl volcano (1994–2000) and their broadband characteristics},
  author = {A. Arciniega-Ceballos and B. Chouet and P. Dawson},
  year = {2002},
  doi = {10.1007/s00445-002-0248-8},
  url = {https://pubs.usgs.gov/publication/70026307},
  note = {Source identifier: 70026307}
}