5He JH. The New Issue of Evidence Law. Beijing: Law Press China, 2000 (in Chinese).
6Teaching Material Writing and Editing Council in Ministry of Public Security.Security Supervise on Network Information Beijing: The Mass Press, 2000 (in Chinese).
7Judd R.An explanation of computer forensics[EB/OL].[2005-10-10].http://www.computerforensics.net/forensics.htm.