@unpublished{TUW-274886, author = {Soja, Benedikt and Jacobs, Chris and Gross, Richard and Krasna, Hana and B{\"o}hm, Johannes and McCallum, Jamie and Shabala, Stas and McCallum, Lucia}, title = {Kalman filtering as a novel approach to determine celestial reference frames}, year = {2018}, note = {poster presentation: XXXth IAU Genral Assembly, Wien; 2018-08-20 -- 2018-08-31} }