@unpublished{TUW-190518, author = {Spicakova, Hana and Plank, Lucia and Nilsson, Tobias and Pany, Andrea and B{\"o}hm, Johannes and Schuh, Harald}, title = {Systematic errors in VLBI analysis}, year = {2010}, note = {talk: AGU Fall Meeting 2010, San Francisco, USA; 2010-12-13 -- 2010-12-17} }