• Multi-epoch GNSS campaigns of the national geodetic network in EstoniaMetsar, Jaanus; Kollo, Karin; Ellmann, Artu; Rüdja, Andres; Pihlak, Priit[EUREF2019 abstracts]2019 / p. [23] http://www.maaamet.ee/euref2019/EUREF2019-Abstracts.pdf https://www.scopus.com/sourceid/27945 https://www.scopus.com/record/display.uri?eid=2-s2.0-85073328941&origin=inward&txGid=c40ec58175a2e0c9eb2db33da3287b8d