Electronic Government Second International Conference, EGOV 2003, Prague, Czech Republic, September 1-5, 2003, Proceedings Traunmüller, Roland Heftet / 2003 / Engelsk
Electronic Government Third International Conference, EGOV 2004, Zaragoza, Spain, August 30-September 3, 2004, Proceedings Traunmüller, Roland Heftet / 2004 / Engelsk
Electronic Government First International Conference, EGOV 2002, Aix-en-Provence, France, September 2-5, 2002. Proceedings Traunmüller, Roland Heftet / 2002 / Engelsk
Database and Expert Systems Applications 15th International Conference, DEXA 2004, Zaragoza, Spain, August 30-September 3, 2004, Proceedings Galindo Fernando Heftet / 2004 / Engelsk
Database and Expert Systems Applications 13th International Conference, DEXA 2002, Aix-en-Provence, France, September 2-6, 2002. Proceedings Hameurlain Abdelkader Heftet / 2002 / Engelsk
Informationsbedarfsermittlung und -analyse für den Entwurf von Informationssystemen Fachtagung EMISA, Linz, 2. und 3. Juli 1987. Proceedings Wagner, R.R. Heftet / 1987 / Tysk
Öffentliche Verwaltung und Informationstechnik Neue Möglichkeiten, neue Probleme, neue Perspektiven Fachtagung, Speyer, 26.–28. September 1984 Reinermann, Heinrich Heftet / 1985 / Tysk
Electronic Government 4th International Conference, EGOV 2005, Copenhagen, Denmark, August 22-26, 2005, Proceedings Wimmer Maria A. Heftet / 2005 / Engelsk
Electronic Government 8th International Conference, EGOV 2009, Linz, Austria, August 31 - September 3, 2009, Proceedings Wimmer Maria A. Heftet / 2009 / Engelsk
