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Message * Kompleksnai︠a︡ Pererabotka Mineralʹnogo Syrʹi︠a︡ Plaksinskie Chtenii︠a︡, Moskva, 9-11 Okti︠a︡bri︠a︡ 1990 G. : K 90-Letii︠a︡ So Dni︠a︡ Rozhdenii︠a︡ I.N. Plaksina : Sbornik Nauchnykh Trudov - 5020015962 - 9785020015968