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Lua MLA (8ú heag.)Zhdanov, V. V. Problemy Geologii I Petrologii Dokembri︠i︡a: Sb. Stateĭ. Posv︠i︡ashchaets︠i︡a Pam︠i︡ati ︠I︡U. I. Polovinkinoĭ. VSEGEI, 1978.
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