6. Austrian Tunneling Day 2008
Salzburg, Austria
October 8, 2008
57. Geomechanik Kolloquium 2008
October 9-10, 2008
World Tunnel Congress
Budapest, Hungary
May 23-28, 2009
Bauma
Munich, Germany
April 19-25, 2010
AIMEX
Sydney, Australia
September 6-9, 2011
