@misc{indiciaea211967ccb40,
  title = {The Steens Mountain (Oregon) geomagnetic polarity transition: 1. Directional history, duration of episodes, and rock magnetism},
  author = {Edward A. Mankinen and M. Prevot and C. Sherman Gromme and Robert S. Coe},
  year = {2012},
  doi = {10.1029/jb090ib12p10393},
  url = {https://pubs.usgs.gov/publication/70197165},
  note = {Source identifier: 70197165}
}