Adapting a regional geoid model to national geodetic infrastructure and conventions [Online resource]Oja, Tõnis; Märdla, Silja; Ellmann, Artu; Rüdja, Andres1st Joint Commission 2 and IGFS Meeting International Symposium on Gravity, Geoid and Height Systems 2016 : September 19-23, 2016, Thessaloniki, Greece : program2016 / [2] p http://gghs2016.com/search/?entry=958 Downward continuation of airborne gravity data using high-resolution global geopotential modelsEllmann, ArtuThe 8th International Conference Environmental Engineering : May 19-20, 2011, Vilnius, Lithuania : selected papers. Volume III2011 / p. 1315-1320 : ill Geoid modeling by the least squares modification of Hotine's and Stokes' formulae using non-gridded gravity dataSakil, Fatıma Feyza; Erol, Serdar; Ellmann, Artu; Erol, BihterComputers & geosciences2021 / art. 104909 https://doi.org/10.1016/j.cageo.2021.104909 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Gravity anomaly field over EstoniaOja, Tõnis; Ellmann, Artu; Märdla, SiljaEstonian journal of earth sciences2019 / p.55-75 : ill http://www.eap.ee/public/Estonian_Journal_of_Earth_Sciences/2019/issue_2/earth-2019-2-55-75.pdf https://doi.org/10.3176/earth.2019.06 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Improving and validating gravity data over ice-covered marine areasMärdla, Silja; Oja, Tõnis; Ellmann, Artu; Jürgenson, HarliIAG 150 years : proceedings of the 2013 IAG Scientific Assembly, Potsdam, Germany, 1-6 September, 20132016 / p. 263-270 : ill http://dx.doi.org/10.1007/1345_2015_163 Ortalama gravite anomalilerinin enterpolasyonunda basit ve tamamlanmış Bouguer yaklaşımının karşılaştırılmasıAbbak, Ramazan Alpay; Üstün, Aydin; Ellmann, ArtuJournal of geodesy and geoinformation = Jeodezi ve jeoinformasyon dergisi2012 / p. 45-52 : ill https://dergipark.org.tr/tr/pub/hkmojjd/issue/53154/704803 Regional geoid computation by least squares modified Hotine's formula with additive correctionsMärdla, Silja; Ellmann, Artu; Agren, Jonas; Sjöberg, Lars E.Journal of geodesy2018 / p. 253-270 : ill https://doi.org/10.1007/s00190-017-1061-7 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS