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2001
An Agent-Based Micropayment System for E-Commerce.
[DOI]
T. O. Lee
,
Y. L. Yip
,
C. M. Tsang
,
Kam-Wing Ng
Proceedings of the E-Commerce Agents, 2001
1983
A low-cost real-time imaging and processing system.
[DOI]
Hon Fung Li
,
C. M. Tsang
,
Y. S. Cheung
Softw. Microsystems, 1983