@unpublished{TUW-120192, author = {B{\"o}hm, Johannes and Schuh, Harald and Weber, Robert and Tregoning, P. and Niell, Arthur}, title = {Atmospheric delay modelling in GPS analysis using mapping functions based on data from numerical weather models}, year = {2005}, note = {talk: COMET Meeting, London; 2005-11-08 -- 2005-11-09} }