@book{ BA78428484,
  author    = "Decker, Robert W. (Robert Wayne) and Decker, Barbara",
  title     = "Volcanoes",
  publisher = "W.H. Freeman",
  year      = "2006",
  edition   = "4th ed",
  URL       = "http://ci.nii.ac.jp/ncid/BA78428484"
}