7KARAGIANNIS G, TZOUVELEKAS V, XEPAPADEAS A. Measuring irrigation water efficiency with a stochastic production frontier [ J ]. Environmental and Resource Economics, 2003(26) :57-72.
8RODRIGUEZ-DIAZ J A, CAMACHO-POYATO E, LOPEZLUQUE R. Application of data envelopment analysis to studies of irrigation efficiency in Andalusia[J]. Journal of Irrigation and Drainage Engineering,2004, 130(3) : 175-183.
9HU Jin-li, WANG Shi-chuan, YE Fang-yu. Total-factor water efficiency of regions in China [J]. Resources Policy, 2006 (31) :217-230.