@techreport{weko_38913_1,
   author	 = "増田,宏",
   title	 = "非多様体モデルの集合演算アルゴリズム",
   year 	 = "1991",
   institution	 = "日本アイ・ビー・エム（株）　東京基礎研究所",
   number	 = "43(1991-CG-050)",
   month	 = "may"
}