@article{McDougall2006,
  author = "I. McDougall and F. H. Brown",
  title = "Precise {40Ar/39Ar} geochronology for the upper Koobi Fora Formation, Turkana Basin, northern Kenya",
  year = 2006,
  journal = "J. Geol. Soc. London",
  publisher = "GeoScienceWorld",
  volume = 163,
  number = 1,
  pages = "205-220",
  month = "Jan",
  doi = "10.1144/0016-764904-166"
}