An attempt for an Amazon geoid model using Helmert gravity anomalyBlitzkow, D.; Matos, A.C.O.C.de; Campos, I.O.; Ellmann, Artu; Vanicek, P.; Santos, M.C.Observing our changing Earth : proceedings of the 2007 IAG General Assembly : Perugia, Italy, July 2-13, 20072009 / p. 187-194 : ill

Evaluation of Stokes-Helmert geoid model computation using a synthetic gravity fieldSantos, M.C.; Vanicek, P.; Ellmann, ArtuJoint Scientific Congress "Bridging Environmental Science, Policy, and Resource Management". Session : Gravity, Geoid and Height Systems2013

Global ellipsoid-referenced topographic, bathymetric and stripping corrections to gravity disturbanceVajda, Peter; Ellmann, Artu; Meurers, B.; Vanicek, P.; Novak, Pavel; Tenzer, RobertStudia geophysica et geodaetica2008 / 1, p. 19-34

Gravity disturbances in regions of negative heights : a reference quasi-ellipsoid approachVajda, Peter; Ellmann, Artu; Meurers, B.; Vanicek, P.; Novak, Pavel; Tenzer, RobertStudia geophysica et geodaetica2008 / 1, p. 35-52 : ill

Harmonic continuation and gravimetric inversion of gravity in areas of negative geodetic heightsVajda, Peter; Ellmann, Artu; Meurers, B.; Vanicek, P.; Novak, Pavel; Tenzer, RobertGravity, Geoid and Earth Observation : IAG Commission 2: Gravity Field, Chania, Crete, Greece, 23-27 June 20082010 / p. 25-30 : ill

Interrelation between the geoid and orthometric heightsEllmann, Artu; Vanicek, P.; Santos, M.; Kingdon, R.Harita dergisi2007 / June, Special issue 18, Proceedings of the 1st International Symposium of the International Gravity Field Service "Gravity Field of the Earth" : 28 August - 1 September, 2006, Istanbul, Turkey, p. 130-135

On ambiguities in definitions and applications of Bouguer gravity anomalyVajda, Peter; Vanicek, P.; Novak, Paul; Tenzer, Robert; Ellmann, Artu; Meurers, B.Gravity, Geoid and Earth Observation : IAG Commission 2: Gravity Field, Chania, Crete, Greece, 23-27 June 20082010 / p. 19-24 : ill

Secondary indirect effects in gravity anomaly data inversion or interpretationVajda, Peter; Vanicek, P.; Novak, Pavel; Tenzer, Robert; Ellmann, ArtuJournal of geophysical research2007 / p. B06411 [11] p. : ill

The relation between the rigorous and Helmert's definitions of orthometric heightsSantos, M.C.; Vanicek, P.; Featherstone, W.E.; Kingdon, R.; Ellmann, Artu; Martin, B.-A.; Kuhn, M.; Tenzer, RobertJournal of geodesy2006 / 12, p. 691-704

UNB application of Stokes-Helmert's approach to geoid computationEllmann, Artu; Vanicek, P.Journal of geodynamics2007 / p. 200-213 : ill https://www.sciencedirect.com/science/article/pii/S0264370706000706