@book{ BA71746925,
  author    = "Zhou, Zhang-Yue and Tian, Weiming",
  title     = "Grains in China : foodgrain, feedgrain and world trade",
  publisher = "Ashgate",
  year      = "2005",
  series    = "The Chinese economy series",
  number    = "",
  URL       = "http://ci.nii.ac.jp/ncid/BA71746925"
}