@article{weko_150_1,
   author	 = "永井,四郎",
   title	 = "限界削減費用分析の再検討",
   journal	 = "麗澤経済研究",
   year 	 = "2010",
   volume	 = "18",
   number	 = "2",
   pages	 = "1--15",
   month	 = "sep"
}