@techreport{weko_58459_1,
   author	 = "松井,甲子雄",
   title	 = "電子透かし技術とその評価基準について",
   year 	 = "1998",
   institution	 = "防衛大学校情報工学科",
   number	 = "85(1998-EIP-002)",
   month	 = "sep"
}