ConferenceIssue Date2005Citation6th International Conference on E-Commerce and Web Technologies, EC-Web 2005, v.3590, pp.238 - 247PublisherSPRINGER-VERLAG BERLINPlaceCopenhagen
ConferenceIssue Date2006Citation7th International Conference on E-Commerce and Web Technologies, EC-Web 2006, v.4082, pp.112 - 121PublisherSPRINGER-VERLAG BERLINISBN3540377433PlaceKrakow