@unpublished{TUW-165812, author = {Mendes Cerveira, Pj. and Schuh, Harald and Plank, Lucia and Haas, R{\"u}diger and Schreiber, Ulrich and Kl{\"u}gel, Thomas and Velikoseltsev, H. and Brzezinski, Aleksander}, title = {The apparent diurnal motion of the instantaneous rotation axis from VLBI and the Wettzell ''G'' ring laser}, year = {2008}, note = {talk: Egu 2008, Vienna; 2008-04-13 -- 2008-04-18} }