@misc{indiciae340a735f2019,
  title = {Abrupt transitions during sustained explosive eruptions: Examples from the 1912 eruption of Novarupta, Alaska},
  author = {N.K. Adams and Bruce F. Houghton and W. Hildreth},
  year = {2006},
  doi = {10.1007/s00445-006-0067-4},
  url = {https://pubs.usgs.gov/publication/70028187},
  note = {Source identifier: 70028187}
}