Gong, Dejun; Xie, Hua; Xu, Xuejun; Fu, Xinsha; Li, Haifeng; Southern African Transport Conference (24th : 2005 : Pretoria, South Africa)
(SATC, 2005-07)
Paper presented at the 24th Annual Southern African Transport Conference 11 - 13 July 2005 "Transport challenges for 2010", CSIR International Convention Centre, Pretoria, South Africa.