@article{weko_204899_1,
   author	 = "大泰司,章",
   title	 = "さようなら，意味のない暗号化ZIP添付メール：1．PPAPとはなにか -その発展の黒歴史-",
   journal	 = "情報処理",
   year 	 = "2020",
   volume	 = "61",
   number	 = "7",
   pages	 = "708--713",
   month	 = "jun"
}