@misc{indiciae5e6932277ec9,
  title = {Geomagnetic polarity epochs: A new polarity event and the age of the Brunhes-Matuyama boundary},
  author = {Richard R. Doell and G. B. Dalrymple},
  year = {1966},
  doi = {10.1126/science.152.3725.1060},
  url = {https://pubs.usgs.gov/publication/70010736},
  note = {Source identifier: 70010736}
}