@book{ BA83677568,
  author    = "Van Kranendonk, Martin and Smithies, R. Hugh and Bennett, Vickie C.",
  title     = "Earth's oldest rocks",
  publisher = "Elsevier",
  year      = "2007",
  series    = "Developments in Precambrian geology",
  number    = "15",
  URL       = "http://ci.nii.ac.jp/ncid/BA83677568"
}