. Ein ornithologischer Ausflug nach den Seen Saissan-nor und Marka-kul (in West-Sibirien) im Jahre 1909. Birds. ÐÑнÑÑологиÑееÑй Ð'ЬеÑникÑ, 1912 г., кн. IV. Ornithologisehe Mitteilungen, 1912, Ð. РиÑ, 39. ÐÐ¸Ð´Ñ Ð½Ð° озеÑо ÐаÑка-кÑÐ»Ñ ÑÑ Ð³. ÐзÑ.. 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 Poljakov, G. I. Moscow

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, bookyear1912