@unpublished{TUW-120870, author = {Mendes Cerveira, Pj. and Schreiber, Ulrich and Velikoseltsev, H. and Schuh, Harald and Rothacher, Markus}, title = {The potential of integrating ring laser data into VLBI observations for sub-daily Earth rotation parameters}, year = {2007}, note = {talk: Seminar of the German Research Group on Earth rotation, Dresden; 2007-05-30 -- 2007-05-31} }