Determination of geoidal heights and deflections of the vertical for the hellenic area using heterogeneous data[J] . I. N. Tziavos.Bulletin Géodésique . 1987 (2)
Determination of geoidal heights and deflections of the vertical for the hellenic area using heterogeneous data[J] . I. N. Tziavos.Bulletin Géodésique . 1987 (2)