6[6]Mayr W. Successful State Spatial Information System in the 21st Century [A]. Proceedings of the 27th Annual Conference of AURISA [C/CD]. Australia, 1999.
7[7]Minfeng C, Qinmin W, Fraser C, et al. Digital Photogrammetry and Digital Fujian [A]. Proceedings of the 3rd International Symposium on Digital Earth[C/CD]. Czech Republic, 2003. 302-310.
8[8]Berman F, Fox GC, Hey AJG. Grid Computing - Making the Global Infrastructure a Reality [M]. John Wiley and Sons, 2003.