Currents in the Suur Strait and their role in the nutrient exchange between the Gulf of Riga and the Baltic ProperSuursaar, Ülo; Astok, Villu; Kullas, Tiit; Nõmm, Avo; Otsmann, MikkProceedings of the Estonian Academy of Sciences. Ecology1995 / 3/4, p. 103-123: ill

Heavy metals in snow and some indicator plants in EstoniaPunning, Jaan-Mati; Zobel, Martin; Lillemets, S.; Trass, H.; Roosma, A.; Minayeva, O.; Saare, L.; Viitak, Anu; Hödrejärv, HelviProceedings of the Estonian Academy of Sciences. Ecology1991 / 1/2, p. 65-71