@techreport{weko_30344_1,
   author	 = "原田,康徳 and 山崎,憲一",
   title	 = "条件クラス：データ抽象なしの多相と継承",
   year 	 = "1996",
   institution	 = "NTT基礎研究所, NTT基礎研究所",
   number	 = "14(1995-PRO-005)",
   month	 = "jan"
}