@inproceedings{weko_117068_1,
   author	 = "伊藤,栄治 and 吉澤,恵資 and 大森,健児",
   title	 = "可視多角形アルゴリズム",
   booktitle	 = "全国大会講演論文集",
   year 	 = "1989",
   volume	 = "第39回",
   number	 = "情報理論及び基礎技術",
   pages	 = "67--68",
   month	 = "oct"
}