@unpublished{TUW-165785, author = {Englich, Sigrid and Heinkelmann, Robert and Schuh, Harald}, title = {High-frequency Earth rotation variations observed by VLBI from 1984 to 2007}, year = {2008}, note = {poster presentation: Egu 2008, Vienna; 2008-04-13 -- 2008-04-18} }