• 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 https://www.scopus.com/sourceid/28610 https://www.scopus.com/record/display.uri?eid=2-s2.0-85021311465&origin=inward&txGid=3403978a36f0599973f17f3cbc0b7fbe
• Determining regional sea surface topography by GNSS surveys on iceLiibusk, Aive; Märdla, Silja; Ellmann, Artu; Oja, Tõnis2014 IEEE/OES Baltic International Symposium : 26-29 May 2014, Tallinn, Estonia : [proceedings]2014 / [9] p. : ill
• Determining sea surface heights using small footprint airborne laser scanningGruno, Anti; Liibusk, Aive; Ellmann, ArtuRemote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2013 : 24 September 2013, Dresden, Germany2013 / p. 88880R-1-88880R-13 : ill https://doi.org/10.1117/12.2029189 https://www.scopus.com/sourceid/40067 https://www.scopus.com/record/display.uri?eid=2-s2.0-84889602729&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.1117%2F12.2029189%29&sessionSearchId=c1fedfc74b114f99cdbe7b7be470635a https://www.webofscience.com/wos/woscc/full-record/WOS:000328345700020