@book{bhlitem47638, title = {Ornithologische Beobachtungen : grösstentheils im Sommer 1869 auf einer Reise im Nordwestlichen Russland }, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/47638}, note = {https://www.biodiversitylibrary.org/bibliography/13294}, publisher = {Wien [Austria], C. Gerold's Sohn, 1886}, author = {Mewes, W.}, year = {}, pages = {132}, keywords = {Birds|Soviet Union|}, }