@unpublished{TUW-250286, author = {Hofmeister, Armin and Landskron, Daniel and B{\"o}hm, Sigrid and B{\"o}hm, Johannes}, title = {Application of ray-traced tropospheric slant delays for VLBI reference frame determination}, year = {2016}, note = {talk: European Geosciences Union, General Assembly 2016 (EGU 2016), Wien; 2016-04-17 -- 2016-04-22} }