@misc{indiciaef3842dee4694,
  title = {Are extrusive rhyolites produced from permeable foam eruptions?},
  author = {I. Friedman},
  year = {1989},
  doi = {10.1007/bf01086762},
  url = {https://pubs.usgs.gov/publication/70015811},
  note = {Source identifier: 70015811}
}