E-Commerce And Web Technologies: 5th International Conference, EC-web 2004, Zaragoza, Spain, August 31-September 3, 2004, Proceedings
 
E-Commerce And Web Technologies: 5th International Conference, EC-web 2004, Zarago...
by Martin Bichler, Birgit Proll, International Conference on Electronic C
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E-commerce And Web Technologies: 6th International Conference, EC-web 2005, Copenhagen, Denmark, August 23-26, 2005, Proceedings
 
E-commerce And Web Technologies: 6th International Conference, EC-web 2005, Copenh...
by Hannes Werthner, Birgit Proll, International Conference on Electronic C
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