@unpublished{TUW-184357, author = {Schuh, Harald and Petrachenko, Bill and Niell, Arthur and Behrend, Dirk and Corey, Brian and Wresnik, J{\"o}rg}, title = {The IVS on its way to the next generation VLBI system}, year = {2009}, note = {talk: International Conference UACEG 2009 Science and Practice, Sofia, Bulgarien; 2009-10-29 -- 2009-10-31} }