@unpublished{TUW-282311, author = {Nickola, Marisa and de Witt, Aletha and Botha, Roelf and Krasna, Hana and Jacobs, Christopher and Schartner, Matthias and Combrinck, Ludwig and B{\"o}hm, Johannes}, title = {HartRAO local tie measurements: VLBI and ground survey}, year = {2019}, note = {talk: 24th Meeting of the European VLBI Group for Geodesy and Astrometry, Gran Canaria, Spain; 2019-03-17 -- 2019-03-19} }