. Die mikroskopische Pflanzenwelt des Süsswassers. Freshwater plants; Microorganisms; Microorganisms; Freshwater Biology. Kirchner, mikr. Pflanzenwelt üÃwassers. â 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 Kirchner, O. (Oskar), 1851-1925. Hamburg : Gräfe & Sillem

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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectfreshwaterbiology