@article{weko_445_1,
   author	 = "江沢,太一",
   title	 = "情報経済における産出物差別化",
   journal	 = "學習院大學經濟論集",
   year 	 = "2002",
   volume	 = "39",
   number	 = "3",
   pages	 = "153--164",
   month	 = "dec"
}