@article{weko_1368_1,
   author	 = "刀根,薫",
   title	 = "企業体の効率性分析手法DEAについて",
   journal	 = "Institute for Policy Science research report. B",
   year 	 = "1987",
   volume	 = "87",
   number	 = "B-5",
   month	 = "jul"
}