@unpublished{TUW-121263, author = {Teke, Kamil and Heinkelmann, Robert and B{\"o}hm, Johannes and Schuh, Harald}, title = {VLBI baseline length repeatability tests of IVS-RI and IVS-R4 session types}, year = {2008}, note = {poster presentation: IVS General Meeting, St. Petersburg; 2008-03-02 -- 2008-03-06} }