@book{ BA59970318,
  author    = "Lessig, Lawrence and 山形, 浩生 ",
  title     = "コモンズ : ネット上の所有権強化は技術革新を殺す",
  publisher = "翔泳社",
  year      = "2002",
  URL       = "https://ci.nii.ac.jp/ncid/BA59970318"
}