Institut biologii (Akademi︠i︡a nauk SSSR. Komi filial) & Kochanov, N. E. (1981). Obmen veshchestv u dikikh zhvachnykh zhivotnykh: Severnye oleni i losi. "Nauka," Leningradskoe otd-nie.
Lua i Stíl Chicago (17ú heag.)Institut biologii (Akademi︠i︡a nauk SSSR. Komi filial) agus Nikolaĭ Evgenʹevich Kochanov. Obmen Veshchestv U Dikikh Zhvachnykh Zhivotnykh: Severnye Oleni I Losi. Leningrad: "Nauka," Leningradskoe otd-nie, 1981.
Lua MLA (8ú heag.)Institut biologii (Akademi︠i︡a nauk SSSR. Komi filial) agus Nikolaĭ Evgenʹevich Kochanov. Obmen Veshchestv U Dikikh Zhvachnykh Zhivotnykh: Severnye Oleni I Losi. "Nauka," Leningradskoe otd-nie, 1981.
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