@article{weko_8269_1,
   author	 = "佐久間,紘一",
   title	 = "ALGOL Nについて：（3）Semantical Notion",
   journal	 = "情報処理",
   year 	 = "1972",
   volume	 = "13",
   number	 = "1",
   month	 = "jan"
}