Title: Analiticheskiĭ obzor zagri︠a︡znenii︠a︡ atmosfery soedinenii︠a︡mi sery i azota i ot︠s︡enka ikh vypadeniĭ v fonovykh raĭonakh vostochno-evropeĭskikh stran--chlenov SĖV, 1982-1987 gg
Subjects: Sulfur dioxide, Air, Pollution, Nitrogen oxides