E-Commerce and web technologies : 11th international conference, EC-Web 2010, Bilbao, Spain, September 1-3, 2010: proceedings / SpringerLink (Online service), 2010 r=on-line. - Текст : электронный.
E-Commerce and web technologies : 10th International conference, EC-Web 2009, Linz, Austria, Sept. 1-4, 2009: proceedings / SpringerLink (Online service), 2009 r=on-line. - Текст : электронный.