Saarijärvi - a new Cambrian paleontological site at Kilpisjärvi, Finnish LaplandSõstra, Ülo; Jensen, Sören; Sõstra, IvoThe 27th Nordic Geological Winter Meeting : January 9-12, 2006, Oulu, Finland : abstract volume2006 / p. 159

The tectonic division and structural evolution of the eastern Fennoscandian ShieldSõstra, ÜloThe 27th Nordic Geological Winter Meeting : January 9-12, 2006, Oulu, Finland : abstract volume2006 / p. 160

Unique aspects of the geological heritage of the Republic of Karelia, NW RussiaSõstra, Ülo; Makarikhin, V.V.; Medvedev, P.V.; Rychanchik, D.V.The 27th Nordic Geological Winter Meeting : January 9-12, 2006, Oulu, Finland : abstract volume2006 / p. 160

Volcanic ash intercalations in the Kilpisjärvi Caledonian nappes, FinlandSõstra, Ülo; Kiipli, TarmoThe 27th Nordic Geological Winter Meeting : January 9-12, 2006, Oulu, Finland : abstract volume2006 / p. 159