@misc{indiciaef801627aeeb5,
  title = {Hydration rind dates rhyolite flows},
  author = {I. Friedman},
  year = {1968},
  doi = {10.1126/science.159.3817.878},
  url = {https://pubs.usgs.gov/publication/70011545},
  note = {Source identifier: 70011545}
}