Authors: Sturesson, U Heikoop, JM Risk, MJ

Citation: U. Sturesson et al., Modern and Palaeozoic iron ooids - a similar volcanic origin, SEDIMENT GE, 136(1-2), 2000, pp. 137-146

Authors: Sturesson, U Dronov, A Saadre, T

Citation: U. Sturesson et al., Lower Ordovician iron ooids and associated oolitic clays in Russia and Estonia: a clue to the origin of iron oolites?, SEDIMENT GE, 123(1-2), 1999, pp. 63-80

Authors: Felitsyn, S Sturesson, U Popov, L Holmer, L

Citation: S. Felitsyn et al., Nd isotope composition and rare earth element distribution in early Paleozoic biogenic apatite from Baltoscandia: A signature of Iapetus ocean water, GEOLOGY, 26(12), 1998, pp. 1083-1086