@misc{indiciae919ff15fcfc7,
  title = {Holocene eruptive activity of El Chichón Volcano, Chiapas, Mexico},
  author = {Robert I. Tilling and Meyer Rubin and Haraldur Sigurdsson and Steven Carey and Wendell A. Duffield and William I. Rose},
  year = {1984},
  doi = {10.1126/science.224.4650.747},
  url = {https://pubs.usgs.gov/publication/70013730},
  note = {Source identifier: 70013730}
}