@article{weko_1389_1,
   author	 = "COOPER,W.W. and TONE,Kaoru",
   title	 = "A Survey of Some Recent Developments in Data Envelopment Analysis",
   journal	 = "Institute for Policy Science research report. B",
   year 	 = "1995",
   volume	 = "95",
   number	 = "B-6"
}