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Message * Prirodnye Mineraly Na Sluzhbe Cheloveka Mineralʹnai︠a︡ Sreda i Zhiznʹ : Sbornik Tezisov Mezhdunarodnoĭ Nauchno-Prakticheskoĭ Konferent︠s︡ii, 23-24 Okti︠a︡bri︠a︡ 1997 Goda, Novosibirsk, Rossii︠a︡ - 5020314455 - 9785020314450