Search for: [Subject and Keywords = water birds] OR [Subject and Keywords = lake ecology] OR [Subject and Keywords = counting] OR [Subject and Keywords = food] OR [Subject and Keywords = animal communities] OR [Subject and Keywords = ptaki wodne] OR [Subject and Keywords = ekologia jezior] OR [Subject and Keywords = liczebność] OR [Subject and Keywords = pokarm] OR [Subject and Keywords = zoocenozy] OR [Title = Ptaki wodne i ich rola w ekosystemie jeziornym] OR [Creator = Dobrowolski, Kazimierz A.]

Number of results: 527