7Charnes A,Cooper W W,Golany B,et al. Foundation of Data Envelopment Analysis for Pareto-Koopmans Efficient Empirical Production Functions[J]. Journal of Econometrics,1985,30(1-2):91-107.
8Charnes A,Cooper W W,Rhodes E. Measuring the Efficiency of Decision Making Units[J]. European Journal of Operational Research,1978,2(6):429-444.
9Banker R D. Some Models for Estimating Technical and Scale Inefficiencies in Data Envelopment Analysis[J]. Management Science,1984,30(9):1078-1092.