@inproceedings{weko_124935_1,
   author	 = "佐藤,浩 and 宇都宮,孝一 and 吉田,和幸",
   title	 = "既存図形エディタのグループエディタ化",
   booktitle	 = "全国大会講演論文集",
   year 	 = "1993",
   volume	 = "第47回",
   number	 = "システム",
   pages	 = "257--258",
   month	 = "sep"
}