@book{ BB10751237,
  author    = "Bowles, J.F.W. and Howie, R. A. (Robert Andrew) and Vaughan, D.J. and Zussman, J.",
  title     = "Non-silicates : oxides, hydroxides and sulphides",
  publisher = "The geological society",
  year      = "2011",
  edition   = "2nd ed",
  series    = "Rock-forming minerals",
  number    = "v. 5A",
  URL       = "http://ci.nii.ac.jp/ncid/BB10751237"
}