@techreport{weko_20958_1,
   author	 = "上林弥彦",
   title	 = "関係データベースにおける複数の関係表を対象とした質問の処理",
   year 	 = "1978",
   institution	 = "京都大学工学部",
   number	 = "19(1978-DBS-009)",
   month	 = "sep"
}