@book{bhlitem104602, title = {Ornitologicheskiĭ vi͡estnik = Messager ornithologique = Ornithologische Mitteilungen }, volume = {1st-2nd (1910-1911)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/104602}, note = {https://www.biodiversitylibrary.org/bibliography/49173}, publisher = {Moskva G.I. Poli͡akov 1910-}, author = {Pol︠i︡akov, G. I. (Grigoriĭ Izrailevich)}, year = {1910}, pages = {946}, keywords = {Ornithology|Periodicals|}, }