11.11. - 13.11.2004 3rd International Conference on Engineering Surveying and FIG Regional conference for the Central and Eastern Europe, Bratislava, Slovakia.
http://www.fig.net/bratislava/
09.12. - 10.12.2004 4th International Conference and Exh. "Laser Scanning and Digital Aerial Survey. Today and Tomorrow", Moskow, Russia.
http://www.geokosmos.ru