@techreport{weko_40203_1,
   author	 = "小川,知也 and 渡部,勇",
   title	 = "引用情報に基づく基本特許抽出",
   year 	 = "2005",
   institution	 = "富士通研究所, 富士通研究所",
   number	 = "35(2004-FI-078)",
   month	 = "mar"
}