@misc{indiciae79f404459e2c,
  title = {Anoxia pre-dates Frasnian–Famennian boundary mass extinction horizon in the Great Basin, USA},
  author = {John F. Bratton and William B. N. Berry and Jared R. Morrow},
  year = {1999},
  doi = {10.1016/s0031-0182(99)00116-9},
  url = {https://pubs.usgs.gov/publication/70127571},
  note = {Source identifier: 70127571}
}