Assessment of marine geoid models by ship-borne GNSS profilesVarbla, Sander; Ellmann, Artu; Märdla, Silja; Gruno, AntiGeodesy and cartography2017 / p. 41-49 : ill https://doi.org/10.3846/20296991.2017.1330771 Geodetic surveying studies for civil engineering students at Tallinn University of TechnologyUstinova, Nelli; Kala, Vello; Mill, Tarvo; Ellmann, ArtuGeodesy and cartography2012 / p. 86-91 Modernization of the Estonian national GNSS reference station networkMetsar, Jaanus; Kollo, Karin; Ellmann, ArtuGeodesy and cartography2018 / p. 55-62 : ill https://doi.org/10.3846/gac.2018.2023 Journal metrics at Scopus Article at Scopus Orientation to baselines for building site networkKala, VelloGeodesy and cartography2011 / p. 29-32 : ill https://journals.vilniustech.lt/index.php/GAC/article/view/5392 Precise levelling data processing near terraced landformsMärdla, SiljaGeodesy and cartography2014 / p. 51-57 : ill Terrestrial laser scanning assessment of generalization errors in conventional topographic surveysSobak, Martin; Ellmann, Artu; Mill, TarvoGeodesy and cartography2015 / p. 15-24 : ill