. Das Süsswasserplankton; Methode und Resultate der quantitativen Untersuchung. Freshwater animals; Freshwater plankton. 164 IV. Resultate. Fi?. Fig. 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 Apstein, Carl, 1862-. Kiel, Lipsius & Tischer

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectfreshwa, bookyear1896