Emme, A. The clock of living nature: Translated from the Russian by George Yankovsky. Peace Pub..
Citace podle Chicago (17th ed.)Emme, A. The Clock of Living Nature: Translated from the Russian by George Yankovsky. Moscow: Peace Pub..
Citace podle MLA (9th ed.)Emme, A. The Clock of Living Nature: Translated from the Russian by George Yankovsky. Peace Pub..
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