5Secure Electronic Transactions: Credit Card Payment on the Web in Theory and Practice. IBM International Technical Support Organization 1997. 6 [EB/OL]. Avaible at http://www, redbooks, ibm. com/redbooks/SG244978. html.
8Alexandris N, Burmester M, Chrissikopoulos V, et al. Secure linking of customers, merchants and banks in electronic commerce[J]. Future Generation Computer Systems, 2000,(16):393-401.
9Huang Yu-Lun, Shieh Shiuh-Pyng, Ho Fu-Shen. A generic electronic payment model supporting multiple merchant transactions[J]. Computers and Security, 2000 (5):453-465.
