@inproceedings{weko_114228_1,
   author	 = "宇田川,佳久 and 溝口,徹夫",
   title	 = "関係演算と図形操作の一統合法",
   booktitle	 = "全国大会講演論文集",
   year 	 = "1986",
   volume	 = "第33回",
   number	 = "データベース",
   pages	 = "859--860",
   month	 = "oct"
}