Ekologicheskai︠a︡ ot︠s︡enka vlii︠a︡nii︠a︡ vybrosov gazokhimicheskogo kompleksa na prirodnui︠u︡ sredu
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The research is focused on the ecological problems of the Southern Ural and particularly on the influence of the Orenburg gas and chemical complex which is one of the biggest in Europe.