@misc{indiciae34c1d13c20d6,
  title = {Degassing and microlite crystallization during pre-climactic events of the 1991 eruption of Mt. Pinatubo, Philippines},
  author = {J.E. Hammer and K. V. Cashman and R. Hoblitt and S. Newman},
  year = {1999},
  doi = {10.1007/s004450050238},
  url = {https://pubs.usgs.gov/publication/70021812},
  note = {Source identifier: 70021812}
}