2[1]RICHARDSON B, RODRIQUEZ D. ITS in developing countries: strategic opportunities [J]. In ITS Quarterly, 1997,5 (3).
3[2]RIDDELL W . Partner arthur andersen, sydney few routes to financing roads [J].In Interdata Infrastructure Handbook,5th Edition, Thomson Financial Services ,Australia, 1998.
4[3]AVERY M. ITS market is buzzing in Asia-Pacific[J].In ITS World,1997.
5[4]OFELIA VITO BULAONG . Governor of Board of Investment of the Philippines in First Asia Pacific ITS seminar[M]. Tokyo,Japan, 1996.
6[5]RAY M . Realities of deploying ITS in economies in transition[J]. In ITS World ,March, 1998.