Proceedings of the Council for the Study of the Productive Forces. Series Yakutsk. Issue. 12: Epidemiological survey of the Vilyui district of the YaSSR / Kolpakova, Т.А. - Leningrad: Publishing House of the Academy of Sciences of the USSR, 1933. - 605: Territory.
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Source of electronic copy: NB Rep. Sakha (Yakutia)
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