@unpublished{TUW-120634, author = {Weber, Robert and Englich, Sigrid and Snajdrova, Kristyna and B{\"o}hm, Johannes}, title = {High Frequency Variations in Earth Orientation derived from GNSS observations}, year = {2006}, note = {invited; talk: AGU (American Geophysical Union), San Francisco; 2006-12-11 -- 2006-12-15} }