1. An introduction to data envelopment analysis with some of its models and their uses;Banker;Journal of governmental and nonprofit accounting,1989
2. Measuring the economic efficiency of airports: a Simar–Wilson methodology analysis;Barros;Transp. Res. Part E: Logist. Transp. Rev.,2008
3. Bedard, J.C., 1985. Use of Data Envelopment Analysis in Accounting Applications: Evaluation and Illustration by Prospective Hospital Reimbursement (Ph.D. dissertation). University of Wisconsin Madison, UMI, Ann Arbor, MI.
4. X-inefficiency and regulatory shift in the UK;Button;J. Evol. Econ.,1993
5. X-inefficiency and technical inefficiency;Button;Public Choice,1993