@inproceedings{weko_120333_1,
   author	 = "山口,文雄 and 山上,宣彦",
   title	 = "図形編集ツールに関する考察",
   booktitle	 = "全国大会講演論文集",
   year 	 = "1991",
   volume	 = "第42回",
   number	 = "データ処理",
   pages	 = "321--322",
   month	 = "feb"
}