@techreport{weko_32023_1,
   author	 = "渡邉敏正",
   title	 = "平面グラフ抽出とプリント基板設計ヘの応用",
   year 	 = "2001",
   institution	 = "広島大学",
   number	 = "93(2001-AL-080)",
   month	 = "sep"
}