. Biology of the seas of the Marine biology -- Soviet Union; Hydrology -- Soviet Union. BIOMASS <I0 0-100 â 100-500 500-2000. SUMMER 1935. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Zenkevich, L. A. (Lev Aleksandrovich), 1889-1970. New York, Interscience Publishers

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Keywords: ., bookcentury1900, bookcollectionbiodiversity, bookleafnumber540