@book{ BA55530969,
  author    = "Hicks, John Richard, Sir",
  title     = "A theory of economic history",
  publisher = "Oxford University Press",
  year      = "1969",
  series    = "Clarendon paperbacks",
  number    = "",
  URL       = "http://ci.nii.ac.jp/ncid/BA55530969"
}