@inproceedings{weko_116943_1,
   author	 = "下田,あけみ and 野瀬,隆 and 西村,恕彦",
   title	 = "日本語単文字換字暗号の解読",
   booktitle	 = "全国大会講演論文集",
   year 	 = "1989",
   volume	 = "第38回",
   number	 = "ネットワーク",
   pages	 = "1718--1719",
   month	 = "mar"
}