@article{221, author = "Dinter, Georg and Illner, Michael and Jäger, Reiner and Univ. - Geod. Inst. Karlsruhe and IAG - EUREF, Anakara, May 22 - 25, 1996", title = "A Concept for the Combination of GPS, Terrestrial Height Data and Geoid - Models and for a Geoid - Refinement in Arbitrary Large Areas - Theory, Software and Real Data Experiences of an Approach proposed for the European Vertical Datum ", year = "1996", note = "Obr. a tab. v textu. - Liter. - 1 sv.", }