@article{weko_15553_1,
   author	 = "相原恒博 and 村上,研二 and 馬場口,登 and 四反田,秀樹",
   title	 = "モデル理論に基づくデフォルト論理の基礎的考察",
   journal	 = "情報処理学会論文誌",
   year 	 = "1987",
   volume	 = "28",
   number	 = "2",
   pages	 = "109--116",
   month	 = "feb"
}