Search for: [Subject and Keywords = Poland] OR [Subject and Keywords = birds] OR [Subject and Keywords = water birds] OR [Subject and Keywords = rare birds] OR [Subject and Keywords = bird migration] OR [Subject and Keywords = birds communities] OR [Subject and Keywords = peat bogs] OR [Subject and Keywords = peat lands] OR [Subject and Keywords = Biebrzańska, Basin] OR [Subject and Keywords = Aves] OR [Subject and Keywords = 1976\-80] OR [Subject and Keywords = Ptaki \-\- Polska \-\- Biebrzańska, Kotlina \-\- wykazy faunistyczne \[KABA\]] OR [Subject and Keywords = Ptaki wodne \-\- migracja \-\- Polska \-\- Biebrzańska, Kotlina \[KABA\]] OR [Subject and Keywords = Ptaki obszarów podmokłych \-\- Polska \-\- Biebrzańska, Kotlina \[KABA\]] OR [Subject and Keywords = Ptaki rzadkie \-\- Polska \-\- Biebrzańska, Kotlina \[KABA\]] OR [Subject and Keywords = Torfowiska \-\- Polska \-\- Biebrzańska, Kotlina \[KABA\]] OR [Subject and Keywords = Aves] OR [Subject and Keywords = 1976\-80] OR [Title = Ptaki torfowisk niskich Kotliny Biebrzańskiej. Opracowanie faunistyczne] OR [Title = Ptaki torfowisk niskich Kotliny Biebrzańskiej. Opracowanie faunistyczne] OR [Creator = Dyrcz, Andrzej \(1933– \)] OR [Creator = Okulewicz, Jerzy \(1940–2007\)] OR [Creator = Witkowski, Józef] OR [Creator = Jesionowski, Jacek] OR [Creator = Nawrocki, Przemysław] OR [Creator = Winiecki, Aleksander] OR [Creator = Dyrcz, Andrzej \(1933– \)] OR [Creator = Okulewicz, Jerzy \(1940–2007\)] OR [Creator = Witkowski, Józef] OR [Creator = Jesionowski, Jacek] OR [Creator = Nawrocki, Przemysław] OR [Creator = Winiecki, Aleksander]

Number of results: 3 418