• Improving the terrestial gravity dataset in South-Estonia [Electronic resource]Oja, Tõnis; Gruno, Anti; Bloom, Ahti; Mäekivi, E.; Ellmann, Artu; All, Tarmo; Jürgenson, Harli; Michelson, M.Geophysical research abstracts2009 / p. EGU2009-10997 [CD-ROM]