@unpublished{TUW-120863, author = {B{\"o}hm, Johannes and Heinkelmann, Robert and Schuh, Harald}, title = {Reassesment of hydrostatic zennith delays for radio space geodetic techniques determined from surface pressure values}, year = {2007}, note = {poster presentation: EGU 2007, Wien; 2007-04-15 -- 2007-04-20} }