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Message * Xv Mendeleevskiĭ Sʺezd Po Obshcheĭ i Prikladnoĭ Khimii = Xv Mendeleev Congress On General and Applied Chemistry : Respublika Belarusʹ, G. Minsk, 24-29 Mai︠a︡ 1993 G. - 534301447X - 9785343014471