@book{bhlitem34663, title = {Materīaly dli͡a ornitofauny Simbirskoĭ gubernīi / B.M. Zhitkov i S.A. Buturlin }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/34663}, note = {https://www.biodiversitylibrary.org/bibliography/8405}, publisher = {St. Petersburg, Tip. M. Stasi͡ulevicha, 1906}, author = {Zhitkov, B. M. (Boris Mikhalovich), and Buturlin, S. A. (Sergeĭ Aleksandrovich),}, year = {}, pages = {292}, keywords = {Birds|Russia (Federation)|Ulʹi͡anovskai͡a oblastʹ}, }