Search for: [Subject and Keywords = field research] OR [Subject and Keywords = Zoological Institute of the Polish Academy of Sciences] OR [Subject and Keywords = Burakowski, Bolesław \(1905\-2003\)] OR [Subject and Keywords = badania terenowe] OR [Subject and Keywords = Burakowski, Bolesław \(1905\-2003\)] OR [Subject and Keywords = Instytu Zoologiczny Polskiej Akademii Nauk] OR [Title = Badania terenowe cz. 1] OR [Title = Badania terenowe cz.1] OR [Creator = Bielawski, Ryszard] OR [Creator = Bielawski, Ryszard]