@book{ BA85007635,
  author    = "",
  title     = "最新・シルバービジネス参入企業総覧 : 業種別新規参入企業データ",
  publisher = "綜合ユニコム",
  year      = "1999",
  URL       = "http://ci.nii.ac.jp/ncid/BA85007635"
}