@unpublished{TUW-120680, author = {Tanir, Emine and Tornatore, V and B{\"o}hm, Johannes and Felsenstein, K. and Schuh, Harald}, title = {The Combination of Kalman Filter and Least-Squares Solution of Different VLBI Analysis Centers}, year = {2007}, note = {poster presentation: EGU 2007, Wien, {\"O}sterreich; 2007-04-15 -- 2007-04-20} }