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Lua MLA (8ú heag.)Geologicheskiĭ institut (Akademi︠i︡a nauk SSSR), et al. Biostratigrafi︠i︡a Nizhnego Kembri︠i︡a I Karbona Mongolii =: Mongolyn Dood Kembriĭn Ba Karbony Biostratigrafi. Izd-vo "Nauka,", 1980.
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