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 https://link.springer.com/article/10.1007/s11200-008-0003-5

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 https://link.springer.com/article/10.1007/s11200-008-0004-4

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 https://www.researchgate.net/publication/251105369_Harmonic_Continuation_and_Gravimetric_Inversion_of_Gravity_in_Areas_of_Negative_Geodetic_Heights

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 https://link.springer.com/chapter/10.1007/978-3-642-10634-7_3