Marchenko, A. N., Barthelmes, F., Meyer, U., Schwintzer, P. (2001): Regional Geoid Determination: an application to airborne gravity data in the Skagerrak, (Scientific Technical Report STR ; 01/07), Potsdam : Deutsches GeoForschungsZentrum GFZ, 48 p.https://doi.org/10.48440/gfz.b103-010085