Estimating output targets to evaluate output-specific efficiencies: A statistical framework. - Dieter Gstach (Eur. J. Oper. Res., 2005)

Scale Economies in Indian Commercial Banking Sector: Evidence from DEA and Translog Estimates. - Biresh K. Sahoo; Dieter Gstach (Int. J. Inf. Syst. Soc. Chang., 2011)