@techreport{weko_20875_1,
   author	 = "加藤昭彦",
   title	 = "抽象関係データベースモデルについて",
   year 	 = "1982",
   institution	 = "富士通（株）国際情報研",
   number	 = "41(1982-DBS-033)",
   month	 = "nov"
}