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    Chapter and Conference Paper

    Comparison of Techniques for the Computation of a Height Reference Surface from Gravity and GPS-Levelling Data

    Three different techniques for quasigeoid modelling from gravity and GPS-levelling data are compared: (i) a penalized least-squares technique using spherical radial basis functions provides a gravimetric quasi...

    R Tenzer, R Klees, I Prutkin, T Wittwer, B Alberts… in Observing our Changing Earth (2009)