E-Commerce and Web Technologies 12th International Conference, EC-Web 2011, Toulouse, France, August 30 - September 1, 2011, Proceedings Huemer Christian Heftet / 2011 / Engelsk
E-Commerce and Web Technologies 13th International Conference, EC-Web 2012, Vienna, Austria, September 4-5, 2012, Proceedings Huemer Christian Heftet / 2012 / Engelsk
E-Commerce, and Web Technologies 14th International Conference, EC-Web 2013, Prague, Czech Republic, August 27-28, 2013, Proceedings Huemer Christian Heftet / 2013 / Engelsk
London and the Emergence of a European Art Market, 1780-1820 Avery-Quash Susanna Heftet / 2019 / Engelsk
