@article{weko_69307_1,
   author	 = "和田,英一",
   title	 = "情報処理技術遺産 : 自働算盤",
   journal	 = "情報処理",
   year 	 = "2010",
   volume	 = "51",
   number	 = "4",
   pages	 = "448--452",
   month	 = "apr"
}