1Ren Changqing, Wu Pingdong. Research of forecast arithmetic of hydraulic telecontrol system based on internet. Proceedings of The 2001 International Symposium on Advanced Engineering, 2001, 10: 82-87
2Larry Peterson L Bruce Davie S.叶新铭 贾波 吴承勇 译.计算机网络[M].北京:机械工业出版社,2001..