@article{TUW-177869, author = {Mendes Cerveira, Pj. and B{\"o}hm, Johannes and Schuh, Harald and Kl{\"u}gel, Thomas and Velikoseltsev, A. and Schreiber, Ulrich and Brzezinski, Aleksander}, title = {Earth Rotation Observed by Very Long Baseline Interferometry and Ring Laser}, journal = {Pure and Applied Geophysics}, year = {2009}, volume = {166}, number = {No. 6-8}, pages = {1499--1517} }