@techreport{weko_20777_1,
   author	 = "中野,良平 and 斉藤,和巳",
   title	 = "ルールに基づいた関係論理／関係代数変換法",
   year 	 = "1986",
   institution	 = "NTT電気通信研究所, NTT電気通信研究所",
   number	 = "48(1986-DBS-054)",
   month	 = "jul"
}