Short description: In Russian. Korovin, Mikhail Kallinikovich. I. New data on the sapropelites of Eastern Siberia. Novosibirsk: Sibugol Trust, 1930: type published. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU9206699