@misc{indiciaea551dcee04a3,
  title = {Opal-A in glassy pumice, acid alteration, and the 1817 phreatomagmatic eruption at Kawah Ijen (Java), Indonesia},
  author = {Jacob B. Lowenstern and Vincent van Hinsberg and Kim Berlo and Moritz Liesegang and Kayla D. Iacovino and Ilya N. Bindeman and Heather M. Wright},
  year = {2018},
  doi = {10.3389/feart.2018.00011},
  url = {https://pubs.usgs.gov/publication/70195417},
  note = {Source identifier: 70195417}
}