@misc{indiciae4922a3cd6a1d,
  title = {40Ar/39Ar dating of the Jaramillo normal subchron and the Matuyama and Brunhes geomagnetic boundary},
  author = {G. A. Izett and J. D. Obradovich},
  year = {1992},
  doi = {10.3133/ofr92699},
  url = {https://pubs.usgs.gov/publication/ofr92699},
  note = {Source identifier: ofr92699}
}