@techreport{weko_31181_1,
   author	 = "中島,震",
   title	 = "COOL　－オブジェクト指向と制約伝播機構－",
   year 	 = "1987",
   institution	 = "日本電気（株）C&Cシステム研究所",
   number	 = "1(1986-PRO-040)",
   month	 = "jan"
}