@misc{indiciae4b68eba20e7f,
  title = {Quaternary silicic pyroclastic deposits of Atitlán Caldera, Guatemala},
  author = {William I. Rose and Christopher G. Newhall and Theodore J. Bornhorst and Stephen Self},
  year = {1987},
  doi = {10.1016/0377-0273(87)90054-0},
  url = {https://pubs.usgs.gov/publication/70014109},
  note = {Source identifier: 70014109}
}