• 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