@article{weko_5283_1,
   author	 = "横山,一郎",
   title	 = "データベースの標準化動向：データベース言語NDL",
   journal	 = "情報処理",
   year 	 = "1988",
   volume	 = "29",
   number	 = "3",
   month	 = "mar"
}