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Message * 3Rd Soviet-Swedish Symposium On the Pollution of the Baltic, Stockholm, Rosenön, September 15-21, 1975 = [3Iĭ Sovetsko-Shvedskiĭ Simpozium Po Zagri︠a︡znenii︠u︡ Baltiĭskogo Morii︠a︡, Stokgolʹm, 15-21 Senti︠a︡bri︠a︡, 1975 G. - 8200094480 - 9788200094487