@unpublished{TUW-240171, author = {Tornatore, Vincenza and Krasna, Hana and Malkin, Zinovy}, title = {VLBI technique. Impact of the change of ICRS realizations}, year = {2015}, note = {poster presentation: IUGG 2015 General Assembly, Prag; 2015-06-22 -- 2015-07-02} }