@techreport{weko_995_1,
   author	 = "TONE,Kaoru and TSUTSUI,Miki",
   title	 = "Dynamic DEA: A slacks-based measure approach",
   year 	 = "2008",
   institution	 = "政策研究大学院大学 / National Graduate Institute for Policy Studies, 電力中央研究所 / Central Research Institute of Electric Power Industry",
   month	 = "nov"
}