@unpublished{TUW-202568, author = {Schuh, Harald}, title = {Welcome Address on behalf of the IUGG {\&} IAG}, year = {2011}, note = {talk: Geodetic VLBI at O'Higgins station and the next generation VLBI system, Punta Arenas, Chile; 2011-11-12 -- 2011-11-15} }