@techreport{weko_59109_1,
   author	 = "美馬,正司",
   title	 = "地域情報化における外部性アプローチ",
   year 	 = "2001",
   institution	 = "日本電気株式会社",
   number	 = "24(2000-IM-038)",
   month	 = "mar"
}