@techreport{weko_20793_1,
   author	 = "佐藤隆宣 and 有信俊郎",
   title	 = "CAD技術を応用した地図処理システム",
   year 	 = "1986",
   institution	 = "三井造船, 三井造船",
   number	 = "17(1985-DBS-052)",
   month	 = "mar"
}