@unpublished{TUW-165788, author = {Pany, Andrea and Wresnik, J{\"o}rg and B{\"o}hm, Johannes and Schuh, Harald}, title = {PPP Simulations for Troposphere Delay Modelling in VLBI}, year = {2008}, note = {talk: Egu 2008, Vienna; 2008-04-13 -- 2008-04-18} }