6Park N. A shared process model for independent and synchronized e-business transactions[J]. Journal of Intelligent Manufacturing, 2002,13 ( 6 ) :499- 510.
7Internet security is the killer application for campus cards [ J]. Card Technology Today ,2001,13 ( 10 ) : 13-14.
8RFC 2660. The Secure Hypertext Transfer Protocol [S ]. 1999.
