9TONGZON J.Efficiency measurement of selected Australian andother international ports using data envelopment analysis[J].Transportation Research(part A),2001,35(2):113-128.
10CULLINANEK,SONG DW,GRAY R.A stochastic frontier model of the efficiency of major container terminals in Asia:Assessing the influence of administrative and ownership structures [J].Transportation Research(Part A),2002,36(8):743-746.