@misc{indiciae488de7e98516,
  title = {Volcanic ash hazards and aviation risk: Chapter 4},
  author = {Marianne C. Guffanti and Andrew C. Tupper},
  year = {2015},
  doi = {10.1016/b978-0-12-396453-3.00004-6},
  url = {https://pubs.usgs.gov/publication/70184999},
  note = {Source identifier: 70184999}
}