@techreport{weko_53551_1,
   author	 = "青木,伸 and 出口,光一郎",
   title	 = "平面図形の正則化多角形近似",
   year 	 = "1990",
   institution	 = "東京大学工学部, 東京大学工学部",
   number	 = "6(1989-CVIM-064)",
   month	 = "jan"
}